<s>
A	O
handheld	B-Application
game	I-Application
console	I-Application
,	O
or	O
simply	O
handheld	B-Application
console	I-Application
,	O
is	O
a	O
small	O
,	O
portable	O
self-contained	O
video	B-Application
game	I-Application
console	I-Application
with	O
a	O
built-in	O
screen	O
,	O
game	O
controls	O
and	O
speakers	O
.	O
</s>
<s>
Handheld	B-Application
game	I-Application
consoles	I-Application
are	O
smaller	O
than	O
home	B-Device
video	I-Device
game	I-Device
consoles	I-Device
and	O
contain	O
the	O
console	O
,	O
screen	O
,	O
speakers	O
,	O
and	O
controls	O
in	O
one	O
unit	O
,	O
allowing	O
people	O
to	O
carry	O
them	O
and	O
play	O
them	O
at	O
any	O
time	O
or	O
place	O
.	O
</s>
<s>
In	O
1976	O
,	O
Mattel	O
introduced	O
the	O
first	B-Device
handheld	B-Application
electronic	I-Application
game	I-Application
with	O
the	O
release	O
of	O
Auto	B-Application
Race	I-Application
.	O
</s>
<s>
Later	O
,	O
several	O
companies	O
—	O
including	O
Coleco	O
and	O
Milton	O
Bradley	O
—	O
made	O
their	O
own	O
single-game	O
,	O
lightweight	O
table-top	O
or	O
handheld	B-Application
electronic	I-Application
game	I-Application
devices	O
.	O
</s>
<s>
The	O
first	B-Device
commercial	O
successful	O
handheld	B-Application
console	I-Application
was	O
Merlin	O
from	O
1978	O
which	O
sold	O
more	O
than	O
5	O
million	O
units	O
.	O
</s>
<s>
The	O
first	B-Device
handheld	B-Application
game	I-Application
console	I-Application
with	O
interchangeable	O
cartridges	B-Protocol
is	O
the	O
Milton	B-Application
Bradley	I-Application
Microvision	I-Application
in	O
1979	O
.	O
</s>
<s>
Nintendo	O
is	O
credited	O
with	O
popularizing	O
the	O
handheld	B-Application
console	I-Application
concept	O
with	O
the	O
release	O
of	O
the	O
Game	B-Device
Boy	I-Device
in	O
1989	O
and	O
continues	O
to	O
dominate	O
the	O
handheld	B-Application
console	I-Application
market	O
.	O
</s>
<s>
The	O
first	B-Device
internet-enabled	O
handheld	B-Application
console	I-Application
and	O
the	O
first	B-Device
with	O
a	O
touchscreen	B-Device
was	O
the	O
Game.com	B-Operating_System
released	O
by	O
Tiger	O
Electronics	O
in	O
1997	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DS	I-Device
,	O
released	O
in	O
2004	O
,	O
introduced	O
touchscreen	B-Device
controls	O
and	O
wireless	O
online	B-Application
gaming	I-Application
to	O
a	O
wider	O
audience	O
,	O
becoming	O
the	O
best-selling	B-Application
handheld	I-Application
console	I-Application
with	O
over	O
units	O
sold	O
worldwide	O
.	O
</s>
<s>
This	O
table	O
describes	O
handheld	B-Application
games	I-Application
consoles	I-Application
over	O
video	O
game	O
generations	O
with	O
over	O
1	O
million	O
sales	O
.	O
</s>
<s>
The	O
origins	O
of	O
handheld	B-Application
game	I-Application
consoles	I-Application
are	O
found	O
in	O
handheld	B-Application
and	O
tabletop	O
electronic	O
game	O
devices	O
of	O
the	O
1970s	O
and	O
early	O
1980s	O
.	O
</s>
<s>
These	O
electronic	O
devices	O
are	O
capable	O
of	O
playing	O
only	O
a	O
single	O
game	O
,	O
they	O
fit	O
in	O
the	O
palm	O
of	O
the	O
hand	O
or	O
on	O
a	O
tabletop	O
,	O
and	O
they	O
may	O
make	O
use	O
of	O
a	O
variety	O
of	O
video	O
displays	O
such	O
as	O
LED	O
,	O
VFD	B-General_Concept
,	O
or	O
LCD	B-Device
.	O
</s>
<s>
In	O
1978	O
,	O
handheld	B-Application
electronic	I-Application
games	I-Application
were	O
described	O
by	O
Popular	O
Electronics	O
magazine	O
as	O
"	O
nonvideo	O
electronic	O
games	O
"	O
and	O
"	O
non-TV	O
games	O
"	O
as	O
distinct	O
from	O
devices	O
that	O
required	O
use	O
of	O
a	O
television	O
screen	O
.	O
</s>
<s>
Handheld	B-Application
electronic	I-Application
games	I-Application
,	O
in	O
turn	O
,	O
find	O
their	O
origins	O
in	O
the	O
synthesis	O
of	O
previous	O
handheld	B-Application
and	O
tabletop	O
electro-mechanical	O
devices	O
such	O
as	O
Waco	O
's	O
Electronic	O
Tic-Tac-Toe	O
(	O
1972	O
)	O
Cragstan	O
's	O
Periscope-Firing	O
Range	O
(	O
1951	O
)	O
,	O
and	O
the	O
emerging	O
optoelectronic-display-driven	O
calculator	B-Application
market	O
of	O
the	O
early	O
1970s	O
.	O
</s>
<s>
This	O
synthesis	O
happened	O
in	O
1976	O
,	O
when	O
"	O
Mattel	O
began	O
work	O
on	O
a	O
line	O
of	O
calculator-sized	O
sports	O
games	O
that	O
became	O
the	O
world	O
's	O
first	B-Device
handheld	B-Application
electronic	I-Application
games	I-Application
.	O
</s>
<s>
The	O
project	O
began	O
when	O
Michael	O
Katz	O
,	O
Mattel	O
's	O
new	O
product	O
category	O
marketing	O
director	O
,	O
told	O
the	O
engineers	O
in	O
the	O
electronics	O
group	O
to	O
design	O
a	O
game	O
the	O
size	O
of	O
a	O
calculator	B-Application
,	O
using	O
LED	O
(	O
light-emitting	O
diode	O
)	O
technology.	O
"	O
</s>
<s>
our	O
big	O
success	O
was	O
something	O
that	O
I	O
conceptualized	O
—	O
the	O
first	B-Device
handheld	B-Application
game	I-Application
.	O
</s>
<s>
I	O
asked	O
the	O
design	O
group	O
to	O
see	O
if	O
they	O
could	O
come	O
up	O
with	O
a	O
game	O
that	O
was	O
electronic	O
that	O
was	O
the	O
same	O
size	O
as	O
a	O
calculator	B-Application
.	O
</s>
<s>
The	O
result	O
was	O
the	O
1976	O
release	O
of	O
Auto	B-Application
Race	I-Application
.	O
</s>
<s>
Mattel	O
would	O
later	O
win	O
the	O
honor	O
of	O
being	O
recognized	O
by	O
the	O
industry	O
for	O
innovation	O
in	O
handheld	B-Application
game	I-Application
device	I-Application
displays	O
.	O
</s>
<s>
Soon	O
,	O
other	O
manufacturers	O
including	O
Coleco	O
,	O
Parker	O
Brothers	O
,	O
Milton	O
Bradley	O
,	O
Entex	O
,	O
and	O
Bandai	O
began	O
following	O
up	O
with	O
their	O
own	O
tabletop	O
and	O
handheld	B-Application
electronic	I-Application
games	I-Application
.	O
</s>
<s>
In	O
1979	O
the	O
LCD-based	O
Microvision	B-Application
,	O
designed	O
by	O
Smith	O
Engineering	O
and	O
distributed	O
by	O
Milton-Bradley	O
,	O
became	O
the	O
first	B-Device
handheld	B-Application
game	I-Application
console	I-Application
and	O
the	O
first	B-Device
to	O
use	O
interchangeable	O
game	B-Protocol
cartridges	I-Protocol
.	O
</s>
<s>
The	O
Microvision	B-Application
game	O
Cosmic	O
Hunter	O
(	O
1981	O
)	O
also	O
introduced	O
the	O
concept	O
of	O
a	O
directional	B-Device
pad	I-Device
on	O
handheld	B-Application
gaming	I-Application
devices	O
,	O
and	O
is	O
operated	O
by	O
using	O
the	O
thumb	O
to	O
manipulate	O
the	O
on-screen	O
character	O
in	O
any	O
of	O
four	O
directions	O
.	O
</s>
<s>
In	O
1979	O
,	O
Gunpei	O
Yokoi	O
,	O
traveling	O
on	O
a	O
bullet	O
train	O
,	O
saw	O
a	O
bored	O
businessman	O
playing	O
with	O
an	O
LCD	B-Device
calculator	B-Application
by	O
pressing	O
the	O
buttons	O
.	O
</s>
<s>
Starting	O
in	O
1980	O
,	O
Nintendo	O
began	O
to	O
release	O
a	O
series	O
of	O
electronic	O
games	O
designed	O
by	O
Yokoi	O
called	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
games	O
.	O
</s>
<s>
Taking	O
advantage	O
of	O
the	O
technology	O
used	O
in	O
the	O
credit-card-sized	O
calculators	B-Application
that	O
had	O
appeared	O
on	O
the	O
market	O
,	O
Yokoi	O
designed	O
the	O
series	O
of	O
LCD-based	O
games	O
to	O
include	O
a	O
digital	O
time	O
display	O
in	O
the	O
corner	O
of	O
the	O
screen	O
.	O
</s>
<s>
For	O
later	O
,	O
more	O
complicated	O
Game	B-Device
&	I-Device
Watch	I-Device
games	O
,	O
Yokoi	O
invented	O
a	O
cross	O
shaped	O
directional	B-Device
pad	I-Device
or	O
"	O
D-pad	B-Device
"	O
for	O
control	O
of	O
on-screen	O
characters	O
.	O
</s>
<s>
Yokoi	O
also	O
included	O
his	O
directional	B-Device
pad	I-Device
on	O
the	O
NES	O
controllers	O
,	O
and	O
the	O
cross-shaped	O
thumb	O
controller	O
soon	O
became	O
standard	O
on	O
game	O
console	O
controllers	O
and	O
ubiquitous	O
across	O
the	O
video	O
game	O
industry	O
since	O
.	O
</s>
<s>
When	O
Yokoi	O
began	O
designing	O
Nintendo	O
's	O
first	B-Device
handheld	B-Application
game	I-Application
console	I-Application
,	O
he	O
came	O
up	O
with	O
a	O
device	O
that	O
married	O
the	O
elements	O
of	O
his	O
Game	B-Device
&	I-Device
Watch	I-Device
devices	O
and	O
the	O
Famicom	O
console	O
,	O
including	O
both	O
items	O
 '	O
D-pad	B-Device
controller	O
.	O
</s>
<s>
The	O
result	O
was	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
.	O
</s>
<s>
In	O
1982	O
,	O
the	O
Bandai	O
LCD	B-Device
Solarpower	O
was	O
the	O
first	B-Device
solar-powered	O
gaming	O
device	O
.	O
</s>
<s>
Some	O
of	O
its	O
games	O
,	O
such	O
as	O
the	O
horror-themed	O
game	O
Terror	O
House	O
,	O
features	O
two	O
LCD	B-Device
panels	I-Device
,	O
one	O
stacked	O
on	O
the	O
other	O
,	O
for	O
an	O
early	O
3D	B-Algorithm
effect	I-Algorithm
.	O
</s>
<s>
In	O
1983	O
,	O
Takara	O
Tomy	O
's	O
Tomytronic	B-Algorithm
3D	I-Algorithm
simulates	O
3D	O
by	O
having	O
two	O
LCD	B-Device
panels	I-Device
that	O
were	O
lit	O
by	O
external	O
light	O
through	O
a	O
window	O
on	O
top	O
of	O
the	O
device	O
,	O
making	O
it	O
the	O
first	B-Device
dedicated	O
home	O
video	O
3D	O
hardware	O
.	O
</s>
<s>
The	O
late	O
1980s	O
and	O
early	O
1990s	O
saw	O
the	O
beginnings	O
of	O
the	O
modern-day	O
handheld	B-Application
game	I-Application
console	I-Application
industry	O
,	O
after	O
the	O
demise	O
of	O
the	O
Microvision	B-Application
.	O
</s>
<s>
As	O
backlit	O
LCD	B-Application
game	I-Application
consoles	O
with	O
color	O
graphics	O
consume	O
a	O
lot	O
of	O
power	O
,	O
they	O
were	O
not	O
battery-friendly	O
like	O
the	O
non-backlit	O
original	B-Device
Game	I-Device
Boy	I-Device
whose	O
monochrome	O
graphics	O
allowed	O
longer	O
battery	O
life	O
.	O
</s>
<s>
By	O
this	O
point	O
,	O
rechargeable	B-Architecture
battery	I-Architecture
technology	O
had	O
not	O
yet	O
matured	O
and	O
so	O
the	O
more	O
advanced	O
game	O
consoles	O
of	O
the	O
time	O
such	O
as	O
the	O
Sega	O
Game	O
Gear	O
and	O
Atari	B-General_Concept
Lynx	I-General_Concept
did	O
not	O
have	O
nearly	O
as	O
much	O
success	O
as	O
the	O
Game	B-Device
Boy	I-Device
.	O
</s>
<s>
Even	O
though	O
third-party	O
rechargeable	B-Architecture
batteries	I-Architecture
were	O
available	O
for	O
the	O
battery-hungry	O
alternatives	O
to	O
the	O
Game	B-Device
Boy	I-Device
,	O
these	O
batteries	O
employed	O
a	O
nickel-cadmium	O
process	O
and	O
had	O
to	O
be	O
completely	O
discharged	O
before	O
being	O
recharged	O
to	O
ensure	O
maximum	O
efficiency	O
;	O
lead-acid	O
batteries	O
could	O
be	O
used	O
with	O
automobile	O
circuit	O
limiters	O
(	O
cigarette	O
lighter	O
plug	O
devices	O
)	O
;	O
but	O
the	O
batteries	O
had	O
mediocre	O
portability	O
.	O
</s>
<s>
The	O
later	O
NiMH	B-Device
batteries	I-Device
,	O
which	O
do	O
not	O
share	O
this	O
requirement	O
for	O
maximum	O
efficiency	O
,	O
were	O
not	O
released	O
until	O
the	O
late	O
1990s	O
,	O
years	O
after	O
the	O
Game	O
Gear	O
,	O
Atari	B-General_Concept
Lynx	I-General_Concept
,	O
and	O
original	B-Device
Game	I-Device
Boy	I-Device
had	O
been	O
discontinued	O
.	O
</s>
<s>
During	O
the	O
time	O
when	O
technologically	O
superior	O
handhelds	B-Application
had	O
strict	O
technical	O
limitations	O
,	O
batteries	O
had	O
a	O
very	O
low	O
mAh	O
rating	O
since	O
batteries	O
with	O
heavy	O
power	O
density	O
were	O
not	O
yet	O
available	O
.	O
</s>
<s>
Modern	O
game	O
systems	O
such	O
as	O
the	O
Nintendo	B-Device
DS	I-Device
and	O
PlayStation	B-Operating_System
Portable	I-Operating_System
have	O
rechargeable	B-Architecture
Lithium-Ion	O
batteries	O
with	O
proprietary	O
shapes	O
.	O
</s>
<s>
Other	O
seventh-generation	B-Application
consoles	I-Application
,	O
such	O
as	O
the	O
GP2X	B-Device
,	O
use	O
standard	O
alkaline	B-Algorithm
batteries	I-Algorithm
.	O
</s>
<s>
Because	O
the	O
mAh	O
rating	O
of	O
alkaline	B-Algorithm
batteries	I-Algorithm
has	O
increased	O
since	O
the	O
1990s	O
,	O
the	O
power	O
needed	O
for	O
handhelds	B-Application
like	O
the	O
GP2X	B-Device
may	O
be	O
supplied	O
by	O
relatively	O
few	O
batteries	O
.	O
</s>
<s>
Nintendo	O
released	O
the	O
Game	B-Device
Boy	I-Device
on	O
April	O
21	O
,	O
1989	O
(	O
September	O
1990	O
for	O
the	O
UK	O
)	O
.	O
</s>
<s>
The	O
design	O
team	O
headed	O
by	O
Gunpei	O
Yokoi	O
had	O
also	O
been	O
responsible	O
for	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
system	O
,	O
as	O
well	O
as	O
the	O
Nintendo	O
Entertainment	O
System	O
games	O
Metroid	B-Device
and	O
Kid	B-Application
Icarus	I-Application
.	O
</s>
<s>
The	O
Game	B-Device
Boy	I-Device
came	O
under	O
scrutiny	O
by	O
Nintendo	O
president	O
Hiroshi	O
Yamauchi	O
,	O
saying	O
that	O
the	O
monochrome	O
screen	O
was	O
too	O
small	O
,	O
and	O
the	O
processing	O
power	O
was	O
inadequate	O
.	O
</s>
<s>
The	O
design	O
team	O
had	O
felt	O
that	O
low	O
initial	O
cost	O
and	O
battery	O
economy	O
were	O
more	O
important	O
concerns	O
,	O
and	O
when	O
compared	O
to	O
the	O
Microvision	B-Application
,	O
the	O
Game	B-Device
Boy	I-Device
was	O
a	O
huge	O
leap	O
forward	O
.	O
</s>
<s>
Yokoi	O
recognized	O
that	O
the	O
Game	B-Device
Boy	I-Device
needed	O
a	O
killer	O
app	O
—	O
at	O
least	O
one	O
game	O
that	O
would	O
define	O
the	O
console	O
,	O
and	O
persuade	O
customers	O
to	O
buy	O
it	O
.	O
</s>
<s>
In	O
June	O
1988	O
,	O
Minoru	O
Arakawa	O
,	O
then-CEO	O
of	O
Nintendo	O
of	O
America	O
saw	O
a	O
demonstration	O
of	O
the	O
game	O
Tetris	B-Device
at	O
a	O
trade	O
show	O
.	O
</s>
<s>
Nintendo	O
purchased	O
the	O
rights	O
for	O
the	O
game	O
,	O
and	O
packaged	O
it	O
with	O
the	O
Game	B-Device
Boy	I-Device
system	O
as	O
a	O
launch	O
title	O
.	O
</s>
<s>
As	O
of	O
March	O
31	O
,	O
2005	O
,	O
the	O
Game	B-Device
Boy	I-Device
and	O
Game	B-Device
Boy	I-Device
Color	I-Device
combined	O
to	O
sell	O
over	O
118	O
million	O
units	O
worldwide	O
.	O
</s>
<s>
In	O
1987	O
,	O
Epyx	O
created	O
the	O
Handy	O
Game	O
;	O
a	O
device	O
that	O
would	O
become	O
the	O
Atari	B-General_Concept
Lynx	I-General_Concept
in	O
1989	O
.	O
</s>
<s>
It	O
is	O
the	O
first	B-Device
color	O
handheld	B-Application
console	I-Application
ever	O
made	O
,	O
as	O
well	O
as	O
the	O
first	B-Device
with	O
a	O
backlit	O
screen	O
.	O
</s>
<s>
The	O
Lynx	B-General_Concept
can	O
also	O
be	O
turned	O
upside	O
down	O
to	O
accommodate	O
left-handed	O
players	O
.	O
</s>
<s>
The	O
Lynx	B-General_Concept
is	O
also	O
very	O
unwieldy	O
,	O
consumes	O
batteries	O
very	O
quickly	O
,	O
and	O
lacked	O
the	O
third-party	O
support	O
enjoyed	O
by	O
its	O
competitors	O
.	O
</s>
<s>
Due	O
to	O
its	O
high	O
price	O
,	O
short	O
battery	O
life	O
,	O
production	O
shortages	O
,	O
a	O
dearth	O
of	O
compelling	O
games	O
,	O
and	O
Nintendo	O
's	O
aggressive	O
marketing	O
campaign	O
,	O
and	O
despite	O
a	O
redesign	O
in	O
1991	O
,	O
the	O
Lynx	B-General_Concept
became	O
a	O
commercial	O
failure	O
.	O
</s>
<s>
The	O
TurboExpress	B-Application
is	O
a	O
portable	O
version	O
of	O
the	O
TurboGrafx	B-General_Concept
,	O
released	O
in	O
1990	O
for	O
$249.99	O
.	O
</s>
<s>
Its	O
Japanese	O
equivalent	O
is	O
the	O
PC	B-Application
Engine	I-Application
GT	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
most	O
advanced	O
handheld	B-Application
of	O
its	O
time	O
and	O
can	O
play	O
all	O
the	O
TurboGrafx-16	B-General_Concept
'	O
s	O
games	O
(	O
which	O
are	O
on	O
a	O
small	O
,	O
credit-card	O
sized	O
media	O
called	O
HuCards	B-Device
)	O
.	O
</s>
<s>
screen	O
,	O
the	O
same	O
as	O
the	O
original	B-Device
Game	I-Device
Boy	I-Device
,	O
but	O
in	O
a	O
much	O
higher	O
resolution	O
,	O
and	O
can	O
display	O
64	O
sprites	O
at	O
once	O
,	O
16	O
per	O
scanline	O
,	O
in	O
512	O
colors	O
.	O
</s>
<s>
It	O
has	O
8kilobytes	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
Turbo	O
runs	O
the	O
HuC6820	O
CPU	B-General_Concept
at	O
1.79	O
or	O
7.16MHz	O
.	O
</s>
<s>
The	O
optional	O
"	O
TurboVision	B-Application
"	O
TV	O
tuner	O
includes	O
RCA	O
audio/video	O
input	O
,	O
allowing	O
users	O
to	O
use	O
TurboExpress	B-Application
as	O
a	O
video	O
monitor	O
.	O
</s>
<s>
However	O
,	O
very	O
few	O
TG-16	B-General_Concept
games	O
offered	O
co-op	O
play	O
modes	O
especially	O
designed	O
with	O
the	O
TurboExpress	B-Application
in	O
mind	O
.	O
</s>
<s>
The	O
Bitcorp	O
Gamate	O
is	O
the	O
one	O
of	O
the	O
first	B-Device
handheld	B-Application
game	I-Application
systems	I-Application
created	O
in	O
response	O
to	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
.	O
</s>
<s>
Like	O
the	O
Sega	O
Game	O
Gear	O
,	O
it	O
was	O
horizontal	O
in	O
orientation	O
and	O
like	O
the	O
Game	B-Device
Boy	I-Device
,	O
required	O
4	O
AA	O
batteries	O
.	O
</s>
<s>
Unlike	O
many	O
later	O
Game	B-Device
Boy	I-Device
clones	O
,	O
its	O
internal	O
components	O
were	O
professionally	O
assembled	O
(	O
no	O
"	O
glop-top	O
"	O
chips	O
)	O
.	O
</s>
<s>
Even	O
by	O
the	O
standards	O
of	O
the	O
day	O
,	O
its	O
screen	O
is	O
rather	O
difficult	O
to	O
use	O
,	O
suffering	O
from	O
similar	O
ghosting	B-Device
problems	O
that	O
were	O
common	O
complaints	O
with	O
the	O
first	B-Device
generation	O
Game	B-Device
Boys	I-Device
.	O
</s>
<s>
The	O
Game	O
Gear	O
is	O
the	O
third	B-Application
color	O
handheld	B-Application
console	I-Application
,	O
after	O
the	O
Lynx	B-General_Concept
and	O
the	O
TurboExpress	B-Application
;	O
produced	O
by	O
Sega	O
.	O
</s>
<s>
While	O
never	O
reaching	O
the	O
level	O
of	O
success	O
enjoyed	O
by	O
Nintendo	O
,	O
the	O
Game	O
Gear	O
proved	O
to	O
be	O
a	O
fairly	O
durable	O
competitor	O
,	O
lasting	O
longer	O
than	O
any	O
other	O
Game	B-Device
Boy	I-Device
rivals	O
.	O
</s>
<s>
Following	O
Sega	O
's	O
success	O
with	O
the	O
Game	O
Gear	O
,	O
they	O
began	O
development	O
on	O
a	O
successor	O
during	O
the	O
early	O
1990s	O
,	O
which	O
was	O
intended	O
to	O
feature	O
a	O
touchscreen	B-Device
interface	I-Device
,	O
many	O
years	O
before	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
However	O
,	O
such	O
a	O
technology	O
was	O
very	O
expensive	O
at	O
the	O
time	O
,	O
and	O
the	O
handheld	B-Application
itself	O
was	O
estimated	O
to	O
have	O
cost	O
around	O
$289	O
were	O
it	O
to	O
be	O
released	O
.	O
</s>
<s>
Sega	O
eventually	O
chose	O
to	O
shelve	O
the	O
idea	O
and	O
instead	O
release	O
the	O
Genesis	B-Device
Nomad	I-Device
,	O
a	O
handheld	B-Application
version	O
of	O
the	O
Genesis	B-Operating_System
,	O
as	O
the	O
successor	O
.	O
</s>
<s>
The	O
Watara	O
Supervision	O
was	O
released	O
in	O
1992	O
in	O
an	O
attempt	O
to	O
compete	O
with	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
.	O
</s>
<s>
The	O
first	B-Device
model	O
was	O
designed	O
very	O
much	O
like	O
a	O
Game	B-Device
Boy	I-Device
,	O
but	O
it	O
is	O
grey	O
in	O
color	O
and	O
has	O
a	O
slightly	O
larger	O
screen	O
.	O
</s>
<s>
The	O
second	B-Application
model	O
was	O
made	O
with	O
a	O
hinge	O
across	O
the	O
center	O
and	O
can	O
be	O
bent	O
slightly	O
to	O
provide	O
greater	O
comfort	O
for	O
the	O
user	O
.	O
</s>
<s>
Released	O
in	O
limited	O
quantities	O
it	O
was	O
roughly	O
equivalent	O
to	O
the	O
Game	B-Device
Boy	I-Device
Pocket	O
.	O
</s>
<s>
Watara	O
designed	O
many	O
of	O
the	O
games	O
themselves	O
,	O
but	O
did	O
receive	O
some	O
third	B-Application
party	O
support	O
,	O
most	O
notably	O
from	O
Sachen	O
.	O
</s>
<s>
A	O
TV	O
adapter	O
was	O
available	O
in	O
both	O
PAL	O
and	O
NTSC	O
formats	O
that	O
could	O
transfer	O
the	O
Supervision	O
's	O
black-and-white	O
palette	O
to	O
4	O
colors	O
,	O
similar	O
in	O
some	O
regards	O
to	O
the	O
Super	O
Game	B-Device
Boy	I-Device
from	O
Nintendo	O
.	O
</s>
<s>
The	O
Hartung	O
Game	O
Master	O
is	O
an	O
obscure	O
handheld	B-Application
released	O
at	O
an	O
unknown	O
point	O
in	O
the	O
early	O
1990s	O
.	O
</s>
<s>
By	O
this	O
time	O
,	O
the	O
lack	O
of	O
significant	O
development	O
in	O
Nintendo	O
's	O
product	O
line	O
began	O
allowing	O
more	O
advanced	O
systems	O
such	O
as	O
the	O
Neo	B-Application
Geo	I-Application
Pocket	I-Application
Color	I-Application
and	O
the	O
WonderSwan	B-Operating_System
Color	I-Operating_System
to	O
be	O
developed	O
.	O
</s>
<s>
The	O
Nomad	B-Device
was	O
released	O
in	O
October	O
1995	O
in	O
North	O
America	O
only	O
.	O
</s>
<s>
The	O
release	O
was	O
six	O
years	O
into	O
the	O
market	O
span	O
of	O
the	O
Genesis	B-Operating_System
,	O
with	O
an	O
existing	O
library	O
of	O
more	O
than	O
500	O
Genesis	B-Operating_System
games	O
.	O
</s>
<s>
According	O
to	O
former	O
Sega	O
of	O
America	O
research	O
and	O
development	O
head	O
Joe	O
Miller	O
,	O
the	O
Nomad	B-Device
was	O
not	O
intended	O
to	O
be	O
the	O
Game	O
Gear	O
's	O
replacement	O
;	O
he	O
believed	O
that	O
there	O
was	O
little	O
planning	O
from	O
Sega	O
of	O
Japan	O
for	O
the	O
new	O
handheld	B-Application
.	O
</s>
<s>
Sega	O
was	O
supporting	O
five	O
different	O
consoles	O
:	O
Saturn	B-Device
,	O
Genesis	B-Operating_System
,	O
Game	O
Gear	O
,	O
Pico	B-Device
,	O
and	O
the	O
Master	O
System	O
,	O
as	O
well	O
as	O
the	O
Sega	B-Device
CD	I-Device
and	O
32X	B-Device
add-ons	O
.	O
</s>
<s>
In	O
Japan	O
,	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
had	O
never	O
been	O
successful	O
and	O
the	O
Saturn	B-Device
was	O
more	O
successful	O
than	O
Sony	O
's	O
PlayStation	B-Device
,	O
so	O
Sega	O
Enterprises	O
CEO	O
Hayao	O
Nakayama	O
decided	O
to	O
focus	O
on	O
the	O
Saturn	B-Device
.	O
</s>
<s>
By	O
1999	O
,	O
the	O
Nomad	B-Device
was	O
being	O
sold	O
at	O
less	O
than	O
a	O
third	B-Application
of	O
its	O
original	O
price	O
.	O
</s>
<s>
The	O
Game	B-Device
Boy	I-Device
Pocket	O
is	O
a	O
redesigned	O
version	O
of	O
the	O
original	B-Device
Game	I-Device
Boy	I-Device
having	O
the	O
same	O
features	O
.	O
</s>
<s>
It	O
has	O
space	O
for	O
two	O
AAA	B-Algorithm
batteries	I-Algorithm
,	O
which	O
provide	O
approximately	O
10	O
hours	O
of	O
game	O
play	O
.	O
</s>
<s>
The	O
screen	O
was	O
changed	O
to	O
a	O
true	O
black-and-white	O
display	O
,	O
rather	O
than	O
the	O
"	O
pea	O
soup	O
"	O
monochromatic	O
display	O
of	O
the	O
original	B-Device
Game	I-Device
Boy	I-Device
.	O
</s>
<s>
Although	O
,	O
like	O
its	O
predecessor	O
,	O
the	O
Game	B-Device
Boy	I-Device
Pocket	O
has	O
no	O
backlight	O
to	O
allow	O
play	O
in	O
a	O
darkened	O
area	O
,	O
it	O
did	O
notably	O
improve	O
visibility	O
and	O
pixel	O
response-time	O
(	O
mostly	O
eliminating	O
ghosting	B-Device
)	O
.	O
</s>
<s>
The	O
first	B-Device
model	O
of	O
the	O
Game	B-Device
Boy	I-Device
Pocket	O
did	O
not	O
have	O
an	O
LED	O
to	O
show	O
battery	O
levels	O
,	O
but	O
the	O
feature	O
was	O
added	O
due	O
to	O
public	O
demand	O
.	O
</s>
<s>
The	O
Game	B-Device
Boy	I-Device
Pocket	O
was	O
not	O
a	O
new	O
software	O
platform	O
and	O
played	O
the	O
same	O
software	O
as	O
the	O
original	B-Device
Game	I-Device
Boy	I-Device
model	O
.	O
</s>
<s>
The	O
Game.com	B-Operating_System
(	O
pronounced	O
in	O
TV	O
commercials	O
as	O
"	O
game	B-Operating_System
com	I-Operating_System
"	O
,	O
not	O
"	O
game	O
dot	O
com	O
"	O
,	O
and	O
not	O
capitalized	O
in	O
marketing	O
material	O
)	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
released	O
by	O
Tiger	O
Electronics	O
in	O
September	O
1997	O
.	O
</s>
<s>
It	O
featured	O
many	O
new	O
ideas	O
for	O
handheld	B-Application
consoles	I-Application
and	O
was	O
aimed	O
at	O
an	O
older	O
target	O
audience	O
,	O
sporting	O
PDA-style	O
features	O
and	O
functions	O
such	O
as	O
a	O
touch	B-Device
screen	I-Device
and	O
stylus	O
.	O
</s>
<s>
However	O
,	O
Tiger	O
hoped	O
it	O
would	O
also	O
challenge	O
Nintendo	O
's	O
Game	B-Device
Boy	I-Device
and	O
gain	O
a	O
following	O
among	O
younger	O
gamers	O
too	O
.	O
</s>
<s>
Unlike	O
other	O
handheld	B-Application
game	I-Application
consoles	I-Application
,	O
the	O
first	B-Device
game.com	B-Operating_System
consoles	O
included	O
two	O
slots	O
for	O
game	B-Protocol
cartridges	I-Protocol
,	O
which	O
would	O
not	O
happen	O
again	O
until	O
the	O
Tapwave	O
Zodiac	O
,	O
the	O
DS	B-Device
and	O
DS	B-Device
Lite	I-Device
,	O
and	O
could	O
be	O
connected	O
to	O
a	O
14.4	O
kbit/s	O
modem	O
.	O
</s>
<s>
Later	O
models	O
had	O
only	O
a	O
single	O
cartridge	B-Protocol
slot	O
.	O
</s>
<s>
The	O
Game	B-Device
Boy	I-Device
Color	I-Device
(	O
also	O
referred	O
to	O
as	O
GBC	O
or	O
CGB	O
)	O
is	O
Nintendo	O
's	O
successor	O
to	O
the	O
Game	B-Device
Boy	I-Device
and	O
was	O
released	O
on	O
October	O
21	O
,	O
1998	O
,	O
in	O
Japan	O
and	O
in	O
November	O
of	O
the	O
same	O
year	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
It	O
features	O
a	O
color	O
screen	O
,	O
and	O
is	O
slightly	O
bigger	O
than	O
the	O
Game	B-Device
Boy	I-Device
Pocket	O
.	O
</s>
<s>
The	O
processor	O
is	O
twice	O
as	O
fast	O
as	O
a	O
Game	B-Device
Boy	I-Device
's	O
and	O
has	O
twice	O
as	O
much	O
memory	O
.	O
</s>
<s>
It	O
also	O
had	O
an	O
infrared	O
communications	O
port	O
for	O
wireless	O
linking	O
which	O
did	O
not	O
appear	O
in	O
later	O
versions	O
of	O
the	O
Game	B-Device
Boy	I-Device
,	O
such	O
as	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
The	O
Game	B-Device
Boy	I-Device
Color	I-Device
was	O
a	O
response	O
to	O
pressure	O
from	O
game	O
developers	O
for	O
a	O
new	O
system	O
,	O
as	O
they	O
felt	O
that	O
the	O
Game	B-Device
Boy	I-Device
,	O
even	O
in	O
its	O
latest	O
incarnation	O
,	O
the	O
Game	B-Device
Boy	I-Device
Pocket	O
,	O
was	O
insufficient	O
.	O
</s>
<s>
The	O
resulting	O
product	O
was	O
backward	O
compatible	O
,	O
a	O
first	B-Device
for	O
a	O
handheld	B-Application
console	I-Application
system	O
,	O
and	O
leveraged	O
the	O
large	O
library	O
of	O
games	O
and	O
great	O
installed	O
base	O
of	O
the	O
predecessor	O
system	O
.	O
</s>
<s>
This	O
became	O
a	O
major	O
feature	O
of	O
the	O
Game	B-Device
Boy	I-Device
line	I-Device
,	O
since	O
it	O
allowed	O
each	O
new	O
launch	O
to	O
begin	O
with	O
a	O
significantly	O
larger	O
library	O
than	O
any	O
of	O
its	O
competitors	O
.	O
</s>
<s>
As	O
of	O
March	O
31	O
,	O
2005	O
,	O
the	O
Game	B-Device
Boy	I-Device
and	O
Game	B-Device
Boy	I-Device
Color	I-Device
combined	O
to	O
sell	O
118.69	O
million	O
units	O
worldwide	O
.	O
</s>
<s>
The	O
console	O
is	O
capable	O
of	O
displaying	O
up	O
to	O
56	O
different	O
colors	O
simultaneously	O
on	O
screen	O
from	O
its	O
palette	O
of	O
32	O
,	O
768	O
,	O
and	O
can	O
add	O
basic	O
four-color	O
shading	O
to	O
games	O
that	O
had	O
been	O
developed	O
for	O
the	O
original	B-Device
Game	I-Device
Boy	I-Device
.	O
</s>
<s>
The	O
Neo	B-Application
Geo	I-Application
Pocket	I-Application
Color	I-Application
(	O
or	O
NGPC	O
)	O
was	O
released	O
in	O
1999	O
in	O
Japan	O
,	O
and	O
later	O
that	O
year	O
in	O
the	O
United	O
States	O
and	O
Europe	O
.	O
</s>
<s>
It	O
is	O
a	O
16-bit	O
color	O
handheld	B-Application
game	I-Application
console	I-Application
designed	O
by	O
SNK	O
,	O
the	O
maker	O
of	O
the	O
Neo	B-Application
Geo	I-Application
home	B-Device
console	I-Device
and	O
arcade	O
machine	O
.	O
</s>
<s>
It	O
came	O
after	O
SNK	O
's	O
original	O
Neo	B-Device
Geo	I-Device
Pocket	I-Device
monochrome	O
handheld	B-Application
,	O
which	O
debuted	O
in	O
1998	O
in	O
Japan	O
.	O
</s>
<s>
In	O
2000	O
following	O
SNK	O
's	O
purchase	O
by	O
Japanese	O
Pachinko	O
manufacturer	O
Aruze	O
,	O
the	O
Neo	B-Application
Geo	I-Application
Pocket	I-Application
Color	I-Application
was	O
dropped	O
from	O
both	O
the	O
US	O
and	O
European	O
markets	O
,	O
purportedly	O
due	O
to	O
commercial	O
failure	O
.	O
</s>
<s>
It	O
was	O
more	O
successful	O
than	O
any	O
Game	B-Device
Boy	I-Device
competitor	O
since	O
Sega	O
's	O
Game	O
Gear	O
,	O
but	O
was	O
hurt	O
by	O
several	O
factors	O
,	O
such	O
as	O
SNK	O
's	O
infamous	O
lack	O
of	O
communication	O
with	O
third-party	O
developers	O
,	O
and	O
anticipation	O
of	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
The	O
WonderSwan	B-Operating_System
Color	I-Operating_System
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
designed	O
by	O
Bandai	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
December	O
9	O
,	O
2000	O
,	O
in	O
Japan	O
,	O
Although	O
the	O
WonderSwan	B-Operating_System
Color	I-Operating_System
was	O
slightly	O
larger	O
and	O
heavier	O
(	O
7mm	O
and	O
2g	O
)	O
compared	O
to	O
the	O
original	O
WonderSwan	B-Operating_System
,	O
the	O
color	O
version	O
featured	O
512KB	O
of	O
RAM	B-Architecture
and	O
a	O
larger	O
color	B-Device
LCD	I-Device
screen	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
WonderSwan	B-Operating_System
Color	I-Operating_System
is	O
compatible	O
with	O
the	O
original	O
WonderSwan	B-Operating_System
library	O
of	O
games	O
.	O
</s>
<s>
Prior	O
to	O
WonderSwan	B-Operating_System
's	O
release	O
,	O
Nintendo	O
had	O
virtually	O
a	O
monopoly	O
in	O
the	O
Japanese	O
video	O
game	O
handheld	B-Application
market	I-Application
.	O
</s>
<s>
After	O
the	O
release	O
of	O
the	O
WonderSwan	B-Operating_System
Color	I-Operating_System
,	O
Bandai	O
took	O
approximately	O
8%	O
of	O
the	O
market	O
share	O
in	O
Japan	O
partly	O
due	O
to	O
its	O
low	O
price	O
of	O
6800	O
yen	O
(	O
approximately	O
US$65	O
)	O
.	O
</s>
<s>
Another	O
reason	O
for	O
the	O
WonderSwan	B-Operating_System
's	O
success	O
in	O
Japan	O
was	O
the	O
fact	O
that	O
Bandai	O
managed	O
to	O
get	O
a	O
deal	O
with	O
Square	O
to	O
port	O
over	O
the	O
original	O
Famicom	O
Final	B-Application
Fantasy	I-Application
games	I-Application
with	O
improved	O
graphics	O
and	O
controls	O
.	O
</s>
<s>
However	O
,	O
with	O
the	O
popularity	O
of	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
and	O
the	O
reconciliation	O
between	O
Square	O
and	O
Nintendo	O
,	O
the	O
WonderSwan	B-Operating_System
Color	I-Operating_System
and	O
its	O
successor	O
,	O
the	O
SwanCrystal	B-Operating_System
quickly	O
lost	O
its	O
competitive	O
advantage	O
.	O
</s>
<s>
The	O
2000s	O
saw	O
a	O
major	O
leap	O
in	O
innovation	O
,	O
particularly	O
in	O
the	O
second	B-Application
half	O
with	O
the	O
release	O
of	O
the	O
DS	B-Device
and	O
PSP	B-Operating_System
.	O
</s>
<s>
In	O
2001	O
,	O
Nintendo	O
released	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
(	O
GBA	B-Device
or	O
AGB	O
)	O
,	O
which	O
added	O
two	O
shoulder	O
buttons	O
,	O
a	O
larger	O
screen	O
,	O
and	O
more	O
computing	O
power	O
than	O
the	O
Game	B-Device
Boy	I-Device
Color	I-Device
.	O
</s>
<s>
The	O
design	O
was	O
revised	O
two	O
years	O
later	O
when	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
SP	I-Device
(	O
GBA	B-Device
SP	I-Device
)	O
,	O
a	O
more	O
compact	O
version	O
,	O
was	O
released	O
.	O
</s>
<s>
The	O
SP	O
features	O
a	O
"	O
clamshell	O
"	O
design	O
(	O
folding	O
open	O
and	O
closed	O
,	O
like	O
a	O
laptop	O
computer	O
)	O
,	O
as	O
well	O
as	O
a	O
frontlit	B-Device
color	O
display	O
and	O
rechargeable	B-Architecture
battery	I-Architecture
.	O
</s>
<s>
In	O
2005	O
,	O
the	O
Game	B-Device
Boy	I-Device
Micro	I-Device
was	O
released	O
.	O
</s>
<s>
This	O
revision	O
sacrifices	O
screen	O
size	O
and	O
backwards	O
compatibility	O
with	O
previous	O
Game	B-Device
Boys	I-Device
for	O
a	O
dramatic	O
reduction	O
in	O
total	O
size	O
and	O
a	O
brighter	O
backlit	O
screen	O
.	O
</s>
<s>
Along	O
with	O
the	O
GameCube	B-Application
,	O
the	O
GBA	B-Device
also	O
introduced	O
the	O
concept	O
of	O
"	O
connectivity	O
"	O
:	O
using	O
a	O
handheld	B-Application
system	O
as	O
a	O
console	O
controller	O
.	O
</s>
<s>
A	O
handful	O
of	O
games	O
use	O
this	O
feature	O
,	O
most	O
notably	O
Animal	B-Application
Crossing	I-Application
,	O
Pac-Man	O
Vs.	O
,	O
Final	B-Application
Fantasy	I-Application
Crystal	I-Application
Chronicles	I-Application
,	O
The	B-Device
Legend	I-Device
of	I-Device
Zelda	I-Device
:	I-Device
Four	I-Device
Swords	I-Device
Adventures	I-Device
,	O
The	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
:	I-Application
The	I-Application
Wind	I-Application
Waker	I-Application
,	O
Metroid	B-Device
Prime	I-Device
,	O
and	O
Sonic	B-Application
Adventure	I-Application
2	I-Application
:	I-Application
Battle	I-Application
.	O
</s>
<s>
As	O
of	O
December	O
31	O
,	O
2007	O
,	O
the	O
GBA	B-Device
,	O
GBA	B-Device
SP	I-Device
,	O
and	O
the	O
Game	B-Device
Boy	I-Device
Micro	I-Device
combined	O
have	O
sold	O
80.72	O
million	O
units	O
worldwide	O
.	O
</s>
<s>
The	O
original	O
GP32	O
was	O
released	O
in	O
2001	O
by	O
the	O
South	O
Korean	O
company	O
Game	O
Park	O
a	O
few	O
months	O
after	O
the	O
launch	O
of	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
It	O
featured	O
a	O
32-bit	O
CPU	B-General_Concept
,	O
133MHz	O
processor	O
,	O
MP3	O
and	O
Divx	O
player	O
,	O
and	O
e-book	O
reader	O
.	O
</s>
<s>
SmartMedia	B-Operating_System
cards	I-Operating_System
were	O
used	O
for	O
storage	O
,	O
and	O
could	O
hold	O
up	O
to	O
128mb	O
of	O
anything	O
downloaded	O
through	O
a	O
USB	O
cable	O
from	O
a	O
PC	O
.	O
</s>
<s>
This	O
version	O
of	O
the	O
handheld	B-Application
was	O
planned	O
for	O
release	O
outside	O
South	O
Korea	O
;	O
in	O
Europe	O
,	O
and	O
it	O
was	O
released	O
for	O
example	O
in	O
Spain	O
(	O
VirginPlay	O
was	O
the	O
distributor	O
)	O
.	O
</s>
<s>
While	O
not	O
a	O
commercial	O
success	O
on	O
a	O
level	O
with	O
mainstream	O
handhelds	B-Application
(	O
only	O
30,000	O
units	O
were	O
sold	O
)	O
,	O
it	O
ended	O
up	O
being	O
used	O
mainly	O
as	O
a	O
platform	O
for	O
user-made	O
applications	O
and	O
emulators	O
of	O
other	O
systems	O
,	O
being	O
popular	O
with	O
developers	O
and	O
more	O
technically	O
adept	O
users	O
.	O
</s>
<s>
Nokia	O
released	O
the	O
N-Gage	B-Operating_System
in	O
2003	O
.	O
</s>
<s>
It	O
was	O
designed	O
as	O
a	O
combination	O
MP3	O
player	O
,	O
cellphone	O
,	O
PDA	B-Application
,	O
radio	O
,	O
and	O
gaming	O
device	O
.	O
</s>
<s>
The	O
system	O
received	O
much	O
criticism	O
alleging	O
defects	O
in	O
its	O
physical	O
design	O
and	O
layout	O
,	O
including	O
its	O
vertically	O
oriented	O
screen	O
and	O
requirement	O
of	O
removing	O
the	O
battery	O
to	O
change	O
game	B-Protocol
cartridges	I-Protocol
.	O
</s>
<s>
The	O
most	O
well	O
known	O
of	O
these	O
was	O
"	O
sidetalking	B-Device
"	O
,	O
or	O
the	O
act	O
of	O
placing	O
the	O
phone	O
speaker	O
and	O
receiver	O
on	O
an	O
edge	O
of	O
the	O
device	O
instead	O
of	O
one	O
of	O
the	O
flat	O
sides	O
,	O
causing	O
the	O
user	O
to	O
appear	O
as	O
if	O
they	O
are	O
speaking	O
into	O
a	O
taco	O
.	O
</s>
<s>
The	O
N-Gage	B-Operating_System
QD	O
was	O
later	O
released	O
to	O
address	O
the	O
design	O
flaws	O
of	O
the	O
original	O
.	O
</s>
<s>
However	O
,	O
certain	O
features	O
available	O
in	O
the	O
original	O
N-Gage	B-Operating_System
,	O
including	O
MP3	O
playback	O
,	O
FM	O
radio	O
reception	O
,	O
and	O
USB	O
connectivity	O
were	O
removed	O
.	O
</s>
<s>
Second	B-Operating_System
generation	I-Operating_System
of	I-Operating_System
N-Gage	I-Operating_System
launched	O
on	O
April	O
3	O
,	O
2008	O
in	O
the	O
form	O
of	O
a	O
service	O
for	O
selected	O
Nokia	O
Smartphones	B-Application
.	O
</s>
<s>
The	O
Cybiko	B-Application
is	O
a	O
Russian	O
hand-held	O
computer	O
introduced	O
in	O
May	O
2000	O
by	O
David	O
Yang	O
's	O
company	O
and	O
designed	O
for	O
teenage	O
audiences	O
,	O
featuring	O
its	O
own	O
two-way	O
radio	O
text	O
messaging	O
system	O
.	O
</s>
<s>
An	O
MP3	O
player	O
add-on	O
was	O
made	O
for	O
the	O
unit	O
as	O
well	O
as	O
a	O
SmartMedia	B-Operating_System
card	I-Operating_System
reader	O
.	O
</s>
<s>
Cybiko	B-Application
Classic	O
:	O
</s>
<s>
There	O
were	O
two	O
models	O
of	O
the	O
Classic	O
Cybiko	B-Application
.	O
</s>
<s>
Cybiko	B-Application
Xtreme	O
:	O
</s>
<s>
The	O
Cybiko	B-Application
Xtreme	O
was	O
the	O
second-generation	O
Cybiko	B-Application
handheld	B-Application
.	O
</s>
<s>
It	O
featured	O
various	O
improvements	O
over	O
the	O
original	O
Cybiko	B-Application
,	O
such	O
as	O
a	O
faster	O
processor	O
,	O
more	O
RAM	B-Architecture
,	O
more	O
ROM	O
,	O
a	O
new	O
operating	O
system	O
,	O
a	O
new	O
keyboard	O
layout	O
and	O
case	O
design	O
,	O
greater	O
wireless	O
range	O
,	O
a	O
microphone	O
,	O
improved	O
audio	O
output	O
,	O
and	O
smaller	O
size	O
.	O
</s>
<s>
It	O
was	O
designed	O
to	O
be	O
a	O
PDA-handheld	O
game	O
console	O
hybrid	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DS	I-Device
was	O
released	O
in	O
November	O
2004	O
.	O
</s>
<s>
Among	O
its	O
new	O
features	O
were	O
the	O
incorporation	O
of	O
two	O
screens	O
,	O
a	O
touchscreen	B-Device
,	O
wireless	O
connectivity	O
,	O
and	O
a	O
microphone	O
port	O
.	O
</s>
<s>
As	O
with	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
SP	I-Device
,	O
the	O
DS	B-Device
features	O
a	O
clamshell	O
design	O
,	O
with	O
the	O
two	O
screens	O
aligned	O
vertically	O
on	O
either	O
side	O
of	O
the	O
hinge	O
.	O
</s>
<s>
The	O
DS	B-Device
's	O
lower	O
screen	O
is	O
touch	O
sensitive	O
,	O
designed	O
to	O
be	O
pressed	O
with	O
a	O
stylus	O
,	O
a	O
user	O
's	O
finger	O
or	O
a	O
special	O
"	O
thumb	O
pad	O
"	O
(	O
a	O
small	O
plastic	O
pad	O
attached	O
to	O
the	O
console	O
's	O
wrist	O
strap	O
,	O
which	O
can	O
be	O
affixed	O
to	O
the	O
thumb	O
to	O
simulate	O
an	O
analog	O
stick	O
)	O
.	O
</s>
<s>
More	O
traditional	O
controls	O
include	O
four	O
face	O
buttons	O
,	O
two	O
shoulder	O
buttons	O
,	O
a	O
D-pad	B-Device
,	O
and	O
"	O
Start	O
"	O
and	O
"	O
Select	O
"	O
buttons	O
.	O
</s>
<s>
The	O
console	O
also	O
features	O
online	O
capabilities	O
via	O
the	O
Nintendo	B-Application
Wi-Fi	I-Application
Connection	I-Application
and	O
ad-hoc	O
wireless	O
networking	O
for	O
multiplayer	O
games	O
with	O
up	O
to	O
sixteen	O
players	O
.	O
</s>
<s>
It	O
is	O
backwards-compatible	O
with	O
all	O
Game	B-Device
Boy	I-Device
Advance	I-Device
games	O
,	O
but	O
like	O
the	O
Game	B-Device
Boy	I-Device
Micro	I-Device
,	O
it	O
is	O
not	O
compatible	O
with	O
games	O
designed	O
for	O
the	O
Game	B-Device
Boy	I-Device
or	O
Game	B-Device
Boy	I-Device
Color	I-Device
.	O
</s>
<s>
In	O
January	O
2006	O
,	O
Nintendo	O
revealed	O
an	O
updated	O
version	O
of	O
the	O
DS	B-Device
:	O
the	O
Nintendo	B-Device
DS	I-Device
Lite	I-Device
(	O
released	O
on	O
March	O
2	O
,	O
2006	O
,	O
in	O
Japan	O
)	O
with	O
an	O
updated	O
,	O
smaller	O
form	O
factor	O
(	O
42%	O
smaller	O
and	O
21%	O
lighter	O
than	O
the	O
original	O
Nintendo	B-Device
DS	I-Device
)	O
,	O
a	O
cleaner	O
design	O
,	O
longer	O
battery	O
life	O
,	O
and	O
brighter	O
,	O
higher-quality	O
displays	O
,	O
with	O
adjustable	O
brightness	O
.	O
</s>
<s>
On	O
October	O
2	O
,	O
2008	O
,	O
Nintendo	O
announced	O
the	O
Nintendo	B-Device
DSi	I-Device
,	O
with	O
larger	O
,	O
3.25-inch	O
screens	O
and	O
two	O
integrated	O
cameras	O
.	O
</s>
<s>
It	O
has	O
an	O
SD	B-Device
card	I-Device
storage	O
slot	O
in	O
place	O
of	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
slot	O
,	O
plus	O
internal	O
flash	O
memory	O
for	O
storing	O
downloaded	O
games	O
.	O
</s>
<s>
On	O
October	O
29	O
,	O
2009	O
,	O
Nintendo	O
announced	O
a	O
larger	O
version	O
of	O
the	O
DSi	B-Device
,	O
called	O
the	O
DSi	B-Device
XL	O
,	O
which	O
was	O
released	O
on	O
November	O
21	O
,	O
2009	O
in	O
Japan	O
,	O
March	O
5	O
,	O
2010	O
in	O
Europe	O
,	O
March	O
28	O
,	O
2010	O
in	O
North	O
America	O
,	O
and	O
April	O
15	O
,	O
2010	O
in	O
Australia	O
.	O
</s>
<s>
As	O
of	O
December	O
31	O
,	O
2009	O
,	O
the	O
Nintendo	B-Device
DS	I-Device
,	O
Nintendo	B-Device
DS	I-Device
Lite	I-Device
,	O
and	O
Nintendo	B-Device
DSi	I-Device
combined	O
have	O
sold	O
125.13	O
million	O
units	O
worldwide	O
.	O
</s>
<s>
The	O
GameKing	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
released	O
by	O
the	O
Chinese	O
company	O
TimeTop	O
in	O
2004	O
.	O
</s>
<s>
The	O
first	B-Device
model	O
while	O
original	O
in	O
design	O
owes	O
a	O
large	O
debt	O
to	O
Nintendo	O
's	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
The	O
second	B-Application
model	O
,	O
the	O
GameKing	O
2	O
,	O
is	O
believed	O
to	O
be	O
inspired	O
by	O
Sony	O
's	O
PSP	B-Operating_System
.	O
</s>
<s>
Whether	O
intentionally	O
or	O
not	O
,	O
the	O
GameKing	O
has	O
the	O
most	O
primitive	O
graphics	O
of	O
any	O
handheld	B-Application
released	O
since	O
the	O
Game	B-Device
Boy	I-Device
of	O
1989	O
.	O
</s>
<s>
The	O
Gameking	O
's	O
speaker	O
is	O
quite	O
loud	O
and	O
the	O
cartridges	B-Protocol
 '	O
sophisticated	O
looping	O
soundtracks	O
(	O
sampled	O
from	O
other	O
sources	O
)	O
are	O
seemingly	O
at	O
odds	O
with	O
its	O
primitive	O
graphics	O
.	O
</s>
<s>
Outside	O
of	O
Asia	O
(	O
especially	O
China	O
)	O
however	O
the	O
Gameking	O
remains	O
relatively	O
unheard	O
of	O
due	O
to	O
the	O
enduring	O
popularity	O
of	O
Japanese	O
handhelds	B-Application
such	O
as	O
those	O
manufactured	O
by	O
Nintendo	O
and	O
Sony	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
Portable	I-Operating_System
(	O
officially	O
abbreviated	O
PSP	B-Operating_System
)	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
manufactured	O
and	O
marketed	O
by	O
Sony	O
Computer	O
Entertainment	O
.	O
</s>
<s>
Development	O
of	O
the	O
console	O
was	O
first	B-Device
announced	O
during	O
E3	O
2003	O
,	O
and	O
it	O
was	O
unveiled	O
on	O
May	O
11	O
,	O
2004	O
,	O
at	O
a	O
Sony	O
press	O
conference	O
before	O
E32004	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
Portable	I-Operating_System
is	O
the	O
first	B-Device
handheld	B-Application
video	I-Application
game	I-Application
console	I-Application
to	O
use	O
an	O
optical	O
disc	O
format	O
,	O
Universal	O
Media	O
Disc	O
(	O
UMD	O
)	O
,	O
for	O
distribution	O
of	O
its	O
games	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
utilized	O
the	O
Sony/SanDisk	O
Memory	O
Stick	O
Pro	O
Duo	O
format	O
as	O
its	O
primary	O
storage	O
medium	O
.	O
</s>
<s>
Other	O
distinguishing	O
features	O
of	O
the	O
console	O
include	O
its	O
large	O
viewing	O
screen	O
,	O
multi-media	O
capabilities	O
,	O
and	O
connectivity	O
with	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
other	O
PSPs	B-Operating_System
,	O
and	O
the	O
Internet	O
.	O
</s>
<s>
Users	O
obtained	O
a	O
second	B-Application
service	O
pack	O
,	O
unreleased	O
,	O
hoping	O
to	O
find	O
such	O
functionality	O
.	O
</s>
<s>
The	O
GP2X	B-Device
is	O
an	O
open-source	B-Application
,	O
Linux-based	O
handheld	B-Application
video	I-Application
game	I-Application
console	I-Application
and	O
media	O
player	O
created	O
by	O
GamePark	O
Holdings	O
of	O
South	O
Korea	O
,	O
designed	O
for	O
homebrew	B-Application
developers	O
as	O
well	O
as	O
commercial	O
developers	O
.	O
</s>
<s>
It	O
is	O
commonly	O
used	O
to	O
run	O
emulators	O
for	O
game	O
consoles	O
such	O
as	O
Neo-Geo	B-Application
,	O
Genesis	B-Operating_System
,	O
Master	O
System	O
,	O
Game	O
Gear	O
,	O
Amstrad	O
CPC	O
,	O
Commodore	O
64	O
,	O
Nintendo	O
Entertainment	O
System	O
,	O
TurboGrafx-16	B-General_Concept
,	O
MAME	O
and	O
others	O
.	O
</s>
<s>
A	O
new	O
version	O
called	O
the	O
"	O
F200	O
"	O
was	O
released	O
October	O
30	O
,	O
2007	O
,	O
and	O
features	O
a	O
touchscreen	B-Device
,	O
among	O
other	O
changes	O
.	O
</s>
<s>
Followed	O
by	O
GP2X	B-Device
Wiz	I-Device
(	O
2009	O
)	O
and	O
GP2X	B-Application
Caanoo	I-Application
(	O
2010	O
)	O
.	O
</s>
<s>
The	O
Dingoo	O
A-320	O
is	O
a	O
micro-sized	O
gaming	O
handheld	B-Application
that	O
resembles	O
the	O
Game	B-Device
Boy	I-Device
Micro	I-Device
and	O
is	O
open	O
to	O
game	O
development	O
.	O
</s>
<s>
It	O
also	O
supports	O
music	O
,	O
radio	O
,	O
emulators	O
(	O
8	O
bit	O
and	O
16	O
bit	O
)	O
and	O
video	O
playing	O
capabilities	O
with	O
its	O
own	O
interface	O
much	O
like	O
the	O
PSP	B-Operating_System
.	O
</s>
<s>
The	O
PSP	B-Operating_System
Go	O
is	O
a	O
version	O
of	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
handheld	B-Application
game	I-Application
console	I-Application
manufactured	O
by	O
Sony	O
.	O
</s>
<s>
Although	O
its	O
design	O
is	O
significantly	O
different	O
from	O
other	O
PSPs	B-Operating_System
,	O
it	O
is	O
not	O
intended	O
to	O
replace	O
the	O
PSP	B-Operating_System
3000	O
,	O
which	O
Sony	O
continued	O
to	O
manufacture	O
,	O
sell	O
,	O
and	O
support	O
.	O
</s>
<s>
On	O
April	O
20	O
,	O
2011	O
,	O
the	O
manufacturer	O
announced	O
that	O
the	O
PSP	B-Operating_System
Go	O
would	O
be	O
discontinued	O
so	O
that	O
they	O
may	O
concentrate	O
on	O
the	O
PlayStation	B-Device
Vita	I-Device
.	O
</s>
<s>
Unlike	O
previous	O
PSP	B-Operating_System
models	O
,	O
the	O
PSP	B-Operating_System
Go	O
does	O
not	O
feature	O
a	O
UMD	O
drive	O
,	O
but	O
instead	O
has	O
16	O
GB	O
of	O
internal	O
flash	O
memory	O
to	O
store	O
games	O
,	O
video	O
,	O
pictures	O
,	O
and	O
other	O
media	O
.	O
</s>
<s>
Also	O
unlike	O
previous	O
PSP	B-Operating_System
models	O
,	O
the	O
PSP	B-Operating_System
Go	O
's	O
rechargeable	B-Architecture
battery	I-Architecture
is	O
not	O
removable	O
or	O
replaceable	O
by	O
the	O
user	O
.	O
</s>
<s>
The	O
unit	O
is	O
43%	O
lighter	O
and	O
56%	O
smaller	O
than	O
the	O
original	O
PSP-1000	O
,	O
and	O
16%	O
lighter	O
and	O
35%	O
smaller	O
than	O
the	O
PSP-3000	O
.	O
</s>
<s>
It	O
has	O
a	O
3.8	O
"	O
480	O
×	O
272	O
LCD	B-Device
(	O
compared	O
to	O
the	O
larger	O
4.3	O
"	O
480	O
×	O
272	O
pixel	O
LCD	B-Device
on	O
previous	O
PSP	B-Operating_System
models	O
)	O
.	O
</s>
<s>
The	O
Pandora	O
is	O
a	O
handheld	O
game	O
console/UMPC/PDA	O
hybrid	O
designed	O
to	O
take	O
advantage	O
of	O
existing	O
open	B-Application
source	I-Application
software	I-Application
and	O
to	O
be	O
a	O
target	O
for	O
home-brew	B-Application
development	I-Application
.	O
</s>
<s>
It	O
is	O
developed	O
by	O
OpenPandora	O
,	O
which	O
is	O
made	O
up	O
of	O
former	O
distributors	O
and	O
community	O
members	O
of	O
the	O
GP32	O
and	O
GP2X	B-Device
handhelds	B-Application
.	O
</s>
<s>
The	O
FC-16	O
Go	O
is	O
a	O
portable	O
Super	B-Application
NES	I-Application
hardware	O
clone	O
manufactured	O
by	O
Yobo	O
Gameware	O
in	O
2009	O
.	O
</s>
<s>
It	O
features	O
a	O
3.5-inch	O
display	O
,	O
two	O
wireless	O
controllers	O
,	O
and	O
CRT	O
cables	O
that	O
allow	O
cartridges	B-Protocol
to	O
be	O
played	O
on	O
a	O
television	O
screen	O
.	O
</s>
<s>
Unlike	O
other	O
Super	B-Application
NES	I-Application
clone	O
consoles	O
,	O
it	O
has	O
region	O
tabs	O
that	O
only	O
allow	O
NTSC	O
North	O
American	O
cartridges	B-Protocol
to	O
be	O
played	O
.	O
</s>
<s>
The	O
Nintendo	B-Operating_System
3DS	I-Operating_System
is	O
the	O
successor	O
to	O
Nintendo	O
's	O
DS	B-Device
handheld	B-Application
.	O
</s>
<s>
The	O
autostereoscopic	O
device	O
is	O
able	O
to	O
project	O
stereoscopic	B-Algorithm
three-dimensional	O
effects	O
without	O
requirement	O
of	O
active	O
shutter	O
or	O
passive	O
polarized	O
glasses	O
,	O
which	O
are	O
required	O
by	O
most	O
current	O
3D	O
televisions	O
to	O
display	O
the	O
3D	B-Algorithm
effect	I-Algorithm
.	O
</s>
<s>
The	O
3DS	B-Operating_System
was	O
released	O
in	O
Japan	O
on	O
February	O
26	O
,	O
2011	O
;	O
in	O
Europe	O
on	O
March	O
25	O
,	O
2011	O
;	O
in	O
North	O
America	O
on	O
March	O
27	O
,	O
2011	O
,	O
and	O
in	O
Australia	O
on	O
March	O
31	O
,	O
2011	O
.	O
</s>
<s>
The	O
system	O
features	O
backward	O
compatibility	O
with	O
Nintendo	B-Device
DS	I-Device
series	O
software	O
,	O
including	O
Nintendo	B-Device
DSi	I-Device
software	O
except	O
those	O
that	O
require	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
slot	O
.	O
</s>
<s>
On	O
November	O
24	O
,	O
2011	O
,	O
a	O
limited	O
edition	O
Legend	O
of	O
Zelda	O
25th	O
Anniversary	O
3DS	B-Operating_System
was	O
released	O
that	O
contained	O
a	O
unique	O
Cosmo	O
Black	O
unit	O
decorated	O
with	O
gold	O
Legend	O
of	O
Zelda	O
related	O
imagery	O
,	O
along	O
with	O
a	O
copy	O
of	O
The	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
:	O
Ocarina	O
of	O
Time	O
3D	O
.	O
</s>
<s>
There	O
are	O
also	O
other	O
models	O
including	O
the	O
Nintendo	B-Device
2DS	I-Device
and	O
the	O
New	B-Device
Nintendo	I-Device
3DS	I-Device
,	O
the	O
latter	O
with	O
a	O
larger	O
(	O
XL/LL	O
)	O
variant	O
,	O
like	O
the	O
original	O
Nintendo	B-Operating_System
3DS	I-Operating_System
,	O
as	O
well	O
as	O
the	O
New	B-Device
Nintendo	I-Device
2DS	I-Device
XL	I-Device
.	O
</s>
<s>
The	O
Sony	O
Ericsson	O
Xperia	O
PLAY	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
smartphone	B-Application
produced	O
by	O
Sony	O
Ericsson	O
under	O
the	O
Xperia	O
smartphone	B-Application
brand	O
.	O
</s>
<s>
The	O
device	O
runs	O
Android	O
2.3	O
Gingerbread	O
,	O
and	O
is	O
the	O
first	B-Device
to	O
be	O
part	O
of	O
the	O
PlayStation	B-Device
Certified	O
program	O
which	O
means	O
that	O
it	O
can	O
play	O
PlayStation	B-Device
Suite	O
games	O
.	O
</s>
<s>
The	O
device	O
is	O
a	O
horizontally	O
sliding	O
phone	O
with	O
its	O
original	O
form	O
resembling	O
the	O
Xperia	O
X10	O
while	O
the	O
slider	O
below	O
resembles	O
the	O
slider	O
of	O
the	O
PSP	B-Operating_System
Go	O
.	O
</s>
<s>
The	O
slider	O
features	O
a	O
D-pad	B-Device
on	O
the	O
left	O
side	O
,	O
a	O
set	O
of	O
standard	O
PlayStation	B-Device
buttons	O
(	O
,	O
,	O
and	O
)	O
on	O
the	O
right	O
,	O
a	O
long	O
rectangular	O
touchpad	O
in	O
the	O
middle	O
,	O
start	O
and	O
select	O
buttons	O
on	O
the	O
bottom	O
right	O
corner	O
,	O
a	O
menu	O
button	O
on	O
the	O
bottom	O
left	O
corner	O
,	O
and	O
two	O
shoulder	O
buttons	O
(	O
L	O
and	O
R	O
)	O
on	O
the	O
back	O
of	O
the	O
device	O
.	O
</s>
<s>
It	O
is	O
powered	O
by	O
a	O
1GHz	O
Qualcomm	O
Snapdragon	O
processor	O
,	O
a	O
Qualcomm	O
Adreno	O
205	O
GPU	O
,	O
and	O
features	O
a	O
display	O
measuring	O
4.0	O
inches	O
(	O
100mm	O
)	O
(	O
854	O
×	O
480	O
)	O
,	O
an	O
8-megapixel	O
camera	O
,	O
512	O
MB	O
RAM	B-Architecture
,	O
8	O
GB	O
internal	O
storage	O
,	O
and	O
a	O
micro-USB	O
connector	O
.	O
</s>
<s>
It	O
supports	O
microSD	O
cards	O
,	O
versus	O
the	O
Memory	O
Stick	O
variants	O
used	O
in	O
PSP	B-Operating_System
consoles	O
.	O
</s>
<s>
The	O
device	O
was	O
revealed	O
officially	O
for	O
the	O
first	B-Device
time	O
in	O
a	O
Super	O
Bowl	O
ad	O
on	O
Sunday	O
,	O
February	O
6	O
,	O
2011	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
Vita	I-Device
is	O
the	O
successor	O
to	O
Sony	B-Operating_System
's	I-Operating_System
PlayStation	I-Operating_System
Portable	I-Operating_System
(	O
PSP	B-Operating_System
)	O
Handheld	B-Application
series	O
.	O
</s>
<s>
The	O
handheld	B-Application
includes	O
two	O
analog	O
sticks	O
,	O
a	O
5-inch	O
(	O
130mm	O
)	O
OLED/LCD	O
multi-touch	O
capacitive	O
touchscreen	B-Device
,	O
and	O
supports	O
Bluetooth	O
,	O
Wi-Fi	O
and	O
optional	O
3G	O
.	O
</s>
<s>
Internally	O
,	O
the	O
PS	B-Device
Vita	I-Device
features	O
a	O
4	O
core	O
ARM	O
Cortex-A9	O
MPCore	O
processor	O
and	O
a	O
4	O
core	O
SGX543MP4+	O
graphics	O
processing	O
unit	O
,	O
as	O
well	O
as	O
LiveArea	O
software	O
as	O
its	O
main	O
user	O
interface	O
,	O
which	O
succeeds	O
the	O
XrossMediaBar	B-Device
.	O
</s>
<s>
The	O
device	O
is	O
fully	O
backwards-compatible	O
with	O
PlayStation	B-Operating_System
Portable	I-Operating_System
games	O
digitally	O
released	O
on	O
the	O
PlayStation	B-Device
Network	O
via	O
the	O
PlayStation	B-Device
Store	O
.	O
</s>
<s>
The	O
Vita	O
's	O
dual	O
analog	O
sticks	O
will	O
be	O
supported	O
on	O
selected	O
PSP	B-Operating_System
games	O
.	O
</s>
<s>
The	O
graphics	O
for	O
PSP	B-Operating_System
releases	O
will	O
be	O
up-scaled	O
,	O
with	O
a	O
smoothing	O
filter	O
to	O
reduce	O
pixelation	O
.	O
</s>
<s>
The	O
Razer	O
Switchblade	O
was	O
a	O
prototype	O
pocket-sized	O
like	O
a	O
Nintendo	B-Device
DSi	I-Device
XL	O
designed	O
to	O
run	O
Windows	B-Device
7	I-Device
,	O
featured	O
a	O
multi-touch	O
LCD	B-Device
screen	I-Device
and	O
an	O
adaptive	O
keyboard	O
that	O
changed	O
keys	O
depending	O
on	O
the	O
game	O
the	O
user	O
would	O
play	O
.	O
</s>
<s>
It	O
was	O
first	B-Device
unveiled	O
on	O
January	O
5	O
,	O
2011	O
,	O
on	O
the	O
Consumer	O
Electronics	O
Show	O
(	O
CES	O
)	O
.	O
</s>
<s>
Project	O
Shield	O
is	O
a	O
handheld	B-Application
system	O
developed	O
by	O
Nvidia	O
announced	O
at	O
CES	O
2013	O
.	O
</s>
<s>
Engadget	B-Application
's	O
review	O
noted	O
the	O
system	O
's	O
"	O
extremely	O
impressive	O
PC	O
gaming	O
"	O
,	O
but	O
also	O
that	O
due	O
to	O
its	O
high	O
price	O
,	O
the	O
device	O
was	O
"	O
a	O
hard	O
sell	O
as	O
a	O
portable	B-Application
game	I-Application
console	I-Application
"	O
,	O
especially	O
when	O
compared	O
to	O
similar	O
handhelds	B-Application
on	O
the	O
market	O
.	O
</s>
<s>
Eurogamer	O
's	O
comprehensive	O
review	O
of	O
the	O
device	O
provides	O
a	O
detailed	O
account	O
of	O
the	O
device	O
and	O
its	O
features	O
;	O
concluded	O
by	O
saying	O
:	O
"	O
In	O
the	O
here	O
and	O
now	O
,	O
the	O
first-gen	O
Shield	O
Portable	O
is	O
a	O
gloriously	O
niche	O
,	O
luxury	O
product	O
-	O
the	O
most	O
powerful	O
Android	O
system	O
on	O
the	O
market	O
by	O
a	O
clear	O
stretch	O
and	O
possessing	O
a	O
unique	O
link	O
to	O
PC	O
gaming	O
that	O
's	O
seriously	O
impressive	O
in	O
beta	O
form	O
,	O
and	O
can	O
only	O
get	O
better.	O
"	O
</s>
<s>
The	O
Nintendo	B-Application
Switch	I-Application
is	O
a	O
hybrid	O
console	O
that	O
can	O
either	O
be	O
used	O
in	O
a	O
handheld	B-Application
form	O
,	O
or	O
inserted	O
into	O
a	O
docking	O
station	O
attached	O
to	O
a	O
television	O
to	O
play	O
on	O
a	O
bigger	O
screen	O
.	O
</s>
<s>
A	O
handheld-only	O
revision	O
named	O
Nintendo	B-Device
Switch	I-Device
Lite	I-Device
was	O
released	O
on	O
September	O
20	O
,	O
2019	O
.	O
</s>
<s>
The	O
Switch	B-Device
Lite	I-Device
had	O
sold	O
about	O
1.95	O
million	O
units	O
worldwide	O
by	O
September	O
30	O
,	O
2019	O
,	O
only	O
10	O
days	O
after	O
its	O
launch	O
.	O
</s>
<s>
Evercade	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
developed	O
and	O
manufactured	O
by	O
UK	O
company	O
Blaze	O
Entertainment	O
.	O
</s>
<s>
It	O
focuses	O
on	O
retrogaming	O
with	O
ROM	B-Protocol
cartridges	I-Protocol
that	O
each	O
contain	O
a	O
number	O
of	O
emulated	O
games	O
.	O
</s>
<s>
Upon	O
its	O
launch	O
,	O
the	O
console	O
offered	O
10	O
game	B-Protocol
cartridges	I-Protocol
with	O
a	O
combined	O
total	O
of	O
122	O
games	O
.	O
</s>
<s>
Pre-existing	O
homebrew	B-Application
games	O
have	O
also	O
been	O
re-released	O
for	O
the	O
console	O
by	O
Mega	O
Cat	O
Studios	O
.	O
</s>
<s>
The	O
Evercade	O
is	O
capable	O
of	O
playing	O
games	O
originally	O
released	O
for	O
the	O
Atari	O
2600	O
,	O
the	O
Atari	O
7800	O
,	O
the	O
Atari	B-General_Concept
Lynx	I-General_Concept
,	O
the	O
NES	O
,	O
the	O
SNES	B-Application
,	O
and	O
the	O
Sega	B-Operating_System
Genesis/Mega	I-Operating_System
Drive	I-Operating_System
.	O
</s>
<s>
The	O
Analogue	O
Pocket	O
is	O
a	O
FPGA-based	O
handheld	B-Application
game	I-Application
console	I-Application
designed	O
and	O
manufactured	O
by	O
Analogue	O
,	O
Inc.	O
,	O
It	O
is	O
designed	O
to	O
play	O
games	O
designed	O
for	O
handhelds	B-Application
of	O
the	O
fourth	B-Application
,	O
fifth	B-Application
and	O
sixth	B-Application
generation	I-Application
of	I-Application
video	I-Application
game	I-Application
consoles	I-Application
.	O
</s>
<s>
The	O
console	O
features	O
a	O
design	O
reminiscent	O
of	O
the	O
Game	B-Device
Boy	I-Device
,	O
with	O
additional	O
buttons	O
for	O
the	O
supported	O
platforms	O
.	O
</s>
<s>
It	O
features	O
a	O
3.5	O
"	O
1600x1440	O
LTPS	O
LCD	B-Device
display	I-Device
,	O
an	O
SD	B-Device
card	I-Device
port	O
,	O
and	O
a	O
link	O
cable	O
port	O
compatible	O
with	O
Game	B-Device
Boy	I-Device
link	O
cables	O
.	O
</s>
<s>
The	O
Analogue	O
Pocket	O
uses	O
an	O
Altera	O
Cyclone	O
V	O
processor	O
,	O
and	O
is	O
compatible	O
with	O
the	O
original	B-Device
Game	I-Device
Boy	I-Device
,	O
Game	B-Device
Boy	I-Device
Color	I-Device
and	O
Game	B-Device
Boy	I-Device
Advance	I-Device
cartridges	B-Protocol
out	O
of	O
the	O
box	O
.	O
</s>
<s>
With	O
cartridge	B-Protocol
adapters	O
(	O
sold	O
separately	O
)	O
the	O
Analogue	O
Pocket	O
can	O
play	O
Game	O
Gear	O
,	O
Neo	B-Device
Geo	I-Device
Pocket	I-Device
,	O
Neo	B-Application
Geo	I-Application
Pocket	I-Application
Color	I-Application
and	O
Atari	B-General_Concept
Lynx	I-General_Concept
game	B-Protocol
cartridges	I-Protocol
.	O
</s>
<s>
The	O
Analogue	O
Pocket	O
includes	O
an	O
additional	O
FPGA	B-Architecture
,	O
allowing	O
3rd	O
party	O
FPGA	B-Architecture
development	O
.	O
</s>
<s>
The	O
Steam	B-Device
Deck	I-Device
is	O
a	O
handheld	B-Application
computer	O
device	O
,	O
developed	O
by	O
Valve	O
,	O
which	O
runs	O
SteamOS	B-Application
3.0	I-Application
,	O
a	O
tailored	O
distro	B-Application
of	O
Arch	O
Linux	O
and	O
includes	O
support	O
for	O
Proton	B-Application
,	O
a	O
compatibility	O
layer	O
that	O
allows	O
most	O
Microsoft	B-Application
Windows	I-Application
games	O
to	O
be	O
played	O
on	O
the	O
Linux-based	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
In	O
terms	O
of	O
hardware	O
,	O
the	O
Deck	O
includes	O
a	O
custom	O
AMD	B-Architecture
APU	I-Architecture
based	O
on	O
their	O
Zen	O
2	O
and	O
RDNA	O
2	O
architectures	O
,	O
with	O
the	O
CPU	B-General_Concept
running	O
a	O
four-core/eight	O
-thread	O
unit	O
and	O
the	O
GPU	O
running	O
on	O
eight	O
compute	O
units	O
with	O
a	O
total	O
estimated	O
performance	O
of	O
1.6	O
TFLOPS	O
.	O
</s>
<s>
Both	O
the	O
CPU	B-General_Concept
and	O
GPU	O
use	O
variable	O
timing	O
frequencies	O
,	O
with	O
the	O
CPU	B-General_Concept
running	O
between	O
2.4	O
and	O
3.5GHz	O
and	O
the	O
GPU	O
between	O
1.0	O
and	O
1.6GHz	O
based	O
on	O
current	O
processor	O
needs	O
.	O
</s>
<s>
Valve	O
stated	O
that	O
the	O
CPU	B-General_Concept
has	O
comparable	O
performance	O
to	O
Ryzen	O
3000	O
desktop	O
computer	O
processors	O
and	O
the	O
GPU	O
performance	O
to	O
the	O
Radeon	B-Device
RX	I-Device
6000	I-Device
series	I-Device
.	O
</s>
<s>
The	O
Deck	O
includes	O
16	O
GB	O
of	O
LPDDR5	O
RAM	B-Architecture
in	O
a	O
quad	O
channel	O
configuration	O
.	O
</s>
<s>
Valve	O
revealed	O
the	O
Steam	B-Device
Deck	I-Device
on	O
July	O
15	O
,	O
2021	O
,	O
with	O
pre-orders	O
being	O
made	O
option	O
the	O
next	O
day	O
.	O
</s>
<s>
Pre-orders	O
were	O
limited	O
to	O
those	O
with	O
Steam	B-Application
accounts	O
opened	O
before	O
June	O
2021	O
to	O
prevent	O
resellers	O
from	O
controlling	O
access	O
to	O
the	O
device	O
.	O
</s>
<s>
Pre-orders	O
reservations	O
on	O
July	O
16	O
,	O
2021	O
through	O
the	O
Steam	B-Application
storefront	O
briefly	O
crashed	O
the	O
servers	O
due	O
to	O
the	O
demand	O
.	O
</s>
<s>
Steam	B-Device
Deck	I-Device
was	O
released	O
on	O
February	O
25	O
,	O
2022	O
.	O
</s>
