<s>
The	O
PlayStation	B-Operating_System
Portable	I-Operating_System
(	O
PSP	B-Operating_System
)	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
developed	O
and	O
marketed	O
by	O
Sony	O
Computer	O
Entertainment	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
in	O
Japan	O
on	O
December	O
12	O
,	O
2004	O
,	O
in	O
North	O
America	O
on	O
March	O
24	O
,	O
2005	O
,	O
and	O
in	O
PAL	O
regions	O
on	O
September	O
1	O
,	O
2005	O
,	O
and	O
is	O
the	O
first	O
handheld	B-Application
installment	O
in	O
the	O
PlayStation	B-Device
line	O
of	O
consoles	O
.	O
</s>
<s>
As	O
a	O
seventh	B-Application
generation	I-Application
console	I-Application
,	O
the	O
PSP	B-Operating_System
competed	O
with	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
Development	O
of	O
the	O
PSP	B-Operating_System
was	O
announced	O
during	O
E3	O
2003	O
,	O
and	O
the	O
console	O
was	O
unveiled	O
at	O
a	O
Sony	O
press	O
conference	O
on	O
May	O
11	O
,	O
2004	O
.	O
</s>
<s>
The	O
system	O
was	O
the	O
most	O
powerful	O
portable	O
console	O
when	O
it	O
was	O
introduced	O
,	O
and	O
was	O
the	O
first	O
real	O
competitor	O
of	O
Nintendo	O
's	O
handheld	B-Application
consoles	I-Application
after	O
many	O
challengers	O
such	O
as	O
Nokia	O
's	O
N-Gage	B-Device
had	O
failed	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
's	O
advanced	O
graphics	O
capabilities	O
made	O
it	O
a	O
popular	O
mobile	O
entertainment	O
device	O
,	O
which	O
could	O
connect	O
to	O
the	O
PlayStation	B-Device
2	I-Device
and	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
any	O
computer	O
with	O
a	O
USB	B-Protocol
interface	O
,	O
other	O
PSP	B-Operating_System
systems	O
,	O
and	O
the	O
Internet	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
also	O
had	O
a	O
vast	O
array	O
of	O
multimedia	O
features	O
such	O
as	O
video	O
playback	O
,	O
audio	O
playback	O
,	O
and	O
has	O
been	O
considered	O
a	O
portable	O
media	O
player	O
as	O
well	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
is	O
the	O
only	O
handheld	B-Application
console	I-Application
to	O
use	O
an	O
optical	O
disc	O
format	O
—	O
in	O
this	O
case	O
,	O
Universal	O
Media	O
Disc	O
(	O
UMD	O
)	O
—	O
as	O
its	O
primary	O
storage	O
medium	O
;	O
both	O
games	O
and	O
movies	O
have	O
been	O
released	O
on	O
the	O
format	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
was	O
received	O
positively	O
by	O
critics	O
,	O
and	O
sold	O
over	O
80	O
million	O
units	O
during	O
its	O
ten-year	O
lifetime	O
.	O
</s>
<s>
Several	O
models	O
of	O
the	O
console	O
were	O
released	O
,	O
before	O
the	O
PSP	B-Operating_System
line	O
was	O
succeeded	O
by	O
the	O
PlayStation	B-Device
Vita	I-Device
,	O
released	O
in	O
Japan	O
in	O
2011	O
and	O
worldwide	O
a	O
year	O
later	O
.	O
</s>
<s>
The	O
Vita	O
has	O
backward	B-General_Concept
compatibility	I-General_Concept
with	O
PSP	B-Operating_System
games	O
that	O
were	O
released	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
through	O
the	O
PlayStation	B-Device
Store	O
,	O
which	O
became	O
the	O
main	O
method	O
of	O
purchasing	O
PSP	B-Operating_System
games	O
after	O
Sony	O
shut	O
down	O
access	O
to	O
the	O
store	O
from	O
the	O
PSP	B-Operating_System
on	O
March	O
31	O
,	O
2016	O
.	O
</s>
<s>
Hardware	O
shipments	O
of	O
the	O
PSP	B-Operating_System
ended	O
worldwide	O
in	O
2014	O
;	O
production	O
of	O
UMDs	O
ended	O
when	O
the	O
last	O
Japanese	O
factory	O
producing	O
them	O
closed	O
in	O
late	O
2016	O
.	O
</s>
<s>
Sony	O
Computer	O
Entertainment	O
first	O
announced	O
development	O
of	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
at	O
a	O
press	O
conference	O
preceding	O
E3	O
2003	O
.	O
</s>
<s>
Several	O
gaming	O
websites	O
were	O
impressed	O
with	O
the	O
handheld	B-Application
's	O
computing	O
capabilities	O
,	O
and	O
looked	O
forward	O
to	O
its	O
potential	O
as	O
a	O
gaming	O
platform	O
.	O
</s>
<s>
In	O
the	O
1990s	O
,	O
Nintendo	O
had	O
dominated	O
the	O
handheld	B-Application
market	I-Application
since	O
launching	O
its	O
Game	B-Device
Boy	I-Device
in	O
1989	O
,	O
experiencing	O
close	O
competition	O
only	O
from	O
Sega	O
's	O
Game	O
Gear	O
(	O
1990	O
–	O
2001	O
)	O
and	O
Bandai	O
's	O
WonderSwan	B-Operating_System
(	O
1999	O
–	O
2003	O
)	O
in	O
Japan	O
.	O
</s>
<s>
In	O
January	O
1999	O
,	O
Sony	O
had	O
released	O
the	O
briefly	O
successful	O
PocketStation	B-Application
in	O
Japan	O
as	O
its	O
first	O
foray	O
into	O
the	O
handheld	B-Application
gaming	I-Application
market	O
.	O
</s>
<s>
The	O
SNK	O
Neo	O
Geo	O
Pocket	O
and	O
Nokia	O
's	O
N-Gage	B-Device
also	O
failed	O
to	O
cut	O
into	O
Nintendo	O
's	O
share	O
.	O
</s>
<s>
According	O
to	O
an	O
IDC	O
analyst	O
in	O
2004	O
,	O
the	O
PSP	B-Operating_System
was	O
the	O
"	O
first	O
legitimate	O
competitor	O
to	O
Nintendo	O
's	O
dominance	O
in	O
the	O
handheld	B-Application
market	I-Application
"	O
.	O
</s>
<s>
The	O
first	O
concept	O
images	O
of	O
the	O
PSP	B-Operating_System
appeared	O
at	O
a	O
Sony	O
corporate	O
strategy	O
meeting	O
in	O
November	O
2003	O
,	O
and	O
featured	O
a	O
model	O
with	O
flat	O
buttons	O
and	O
no	O
analog	O
joystick	O
.	O
</s>
<s>
Although	O
some	O
reviewers	O
expressed	O
concern	O
about	O
the	O
lack	O
of	O
an	O
analog	O
stick	O
,	O
these	O
fears	O
were	O
allayed	O
when	O
the	O
PSP	B-Operating_System
was	O
officially	O
unveiled	O
at	O
the	O
Sony	O
press	O
conference	O
during	O
E3	O
2004	O
.	O
</s>
<s>
Sony	O
released	O
a	O
list	O
of	O
99	O
developer	O
companies	O
that	O
pledged	O
support	O
for	O
the	O
new	O
handheld	B-Application
.	O
</s>
<s>
Several	O
game	O
demos	O
such	O
as	O
Konami	O
's	O
Metal	B-Application
Gear	I-Application
Acid	I-Application
and	O
Studio	O
Liverpool	O
's	O
Wipeout	B-Device
Pure	I-Device
were	O
also	O
shown	O
at	O
the	O
conference	O
.	O
</s>
<s>
On	O
October	O
17	O
,	O
2004	O
,	O
Sony	O
announced	O
that	O
the	O
PSP	B-Operating_System
base	O
model	O
would	O
be	O
launched	O
in	O
Japan	O
on	O
December	O
12	O
that	O
year	O
for	O
¥	O
19,800	O
(	O
about	O
US$181	O
in	O
2004	O
)	O
while	O
the	O
Value	O
System	O
would	O
launch	O
for	O
¥	O
24,800	O
(	O
about	O
US$226	O
)	O
.	O
</s>
<s>
The	O
launch	O
was	O
a	O
success	O
,	O
with	O
over	O
200,000	O
units	B-Application
sold	I-Application
on	O
the	O
first	O
day	O
of	O
sales	O
.	O
</s>
<s>
On	O
February	O
3	O
,	O
2005	O
,	O
Sony	O
announced	O
that	O
the	O
PSP	B-Operating_System
would	O
be	O
released	O
in	O
North	O
America	O
on	O
March	O
24	O
in	O
one	O
configuration	O
for	O
an	O
MSRP	O
of	O
US$	O
249/CA	O
$299	O
.	O
</s>
<s>
Some	O
commentators	O
expressed	O
concern	O
over	O
the	O
high	O
price	O
,	O
which	O
was	O
almost	O
US$20	O
higher	O
than	O
that	O
of	O
the	O
Japanese	O
model	O
and	O
over	O
$100	O
higher	O
than	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
Despite	O
these	O
concerns	O
,	O
the	O
PSP	B-Operating_System
's	O
North	O
American	O
launch	O
was	O
a	O
success	O
;	O
Sony	O
said	O
500,000	O
units	O
were	O
sold	O
in	O
the	O
first	O
two	O
days	O
of	O
sales	O
,	O
though	O
it	O
was	O
also	O
reported	O
that	O
this	O
figure	O
was	O
below	O
expectations	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
was	O
originally	O
intended	O
to	O
have	O
a	O
simultaneous	O
PAL	O
and	O
North	O
American	O
launch	O
,	O
but	O
on	O
March	O
15	O
,	O
2005	O
,	O
Sony	O
announced	O
that	O
the	O
PAL	O
launch	O
would	O
be	O
delayed	O
due	O
to	O
high	O
demand	O
for	O
the	O
console	O
in	O
Japan	O
and	O
North	O
America	O
.	O
</s>
<s>
The	O
next	O
month	O
,	O
Sony	O
announced	O
that	O
the	O
PSP	B-Operating_System
would	O
be	O
launched	O
in	O
the	O
PAL	O
region	O
on	O
September	O
1	O
,	O
2005	O
,	O
for	O
€	O
249/	O
£179	O
.	O
</s>
<s>
Despite	O
the	O
high	O
price	O
,	O
the	O
PSP	B-Operating_System
's	O
PAL	O
launch	O
was	O
a	O
success	O
,	O
with	O
the	O
console	O
selling	O
over	O
185,000	O
units	O
in	O
the	O
UK	O
.	O
</s>
<s>
All	O
stock	O
of	O
the	O
PSP	B-Operating_System
in	O
the	O
UK	O
sold	O
out	O
within	O
three	O
hours	O
of	O
its	O
launch	O
,	O
more	O
than	O
doubling	O
the	O
previous	O
first-day	O
sales	O
record	O
of	O
87,000	O
units	O
set	O
by	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
Portable	I-Operating_System
uses	O
the	O
common	O
"	O
bar	O
"	O
form	O
factor	O
.	O
</s>
<s>
The	O
front	O
of	O
the	O
console	O
is	O
dominated	O
by	O
the	O
system	O
's	O
LCD	B-Device
screen	I-Device
,	O
which	O
is	O
capable	O
of	O
480×	O
272pixel	O
display	O
resolution	O
with	O
24-bit	O
color	O
,	O
outperforming	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
Also	O
on	O
the	O
unit	O
's	O
front	O
are	O
the	O
four	O
iconic	O
PlayStation	B-Device
face	O
buttons	O
(	O
,	O
,	O
,	O
)	O
;	O
the	O
directional	O
pad	O
,	O
the	O
analog	O
"	O
nub	O
"	O
,	O
and	O
several	O
other	O
buttons	O
.	O
</s>
<s>
The	O
system	O
also	O
has	O
two	O
shoulder	O
buttons	O
,	O
a	O
USB	B-Protocol
2.0	O
mini-B	O
port	O
on	O
the	O
top	O
of	O
the	O
console	O
,	O
and	O
a	O
wireless	B-Architecture
LAN	I-Architecture
switch	O
and	O
power	O
cable	O
input	O
on	O
the	O
bottom	O
.	O
</s>
<s>
The	O
back	O
of	O
the	O
PSP	B-Operating_System
features	O
a	O
read-only	O
Universal	O
Media	O
Disc	O
(	O
UMD	O
)	O
drive	O
for	O
access	O
to	O
movies	O
and	O
games	O
,	O
and	O
a	O
reader	O
compatible	O
with	O
Sony	O
's	O
Memory	O
Stick	O
PRO	O
Duo	O
flash	B-Device
cards	I-Device
is	O
located	O
on	O
the	O
left	O
of	O
the	O
system	O
.	O
</s>
<s>
Other	O
features	O
include	O
an	O
IrDA-compatible	O
infrared	O
port	O
(	O
this	O
was	O
discontinued	O
in	O
PSP-2000	O
and	O
later	O
)	O
and	O
a	O
two-pin	O
docking	O
connector	O
;	O
built-in	O
stereo	O
speakers	O
and	O
headphone	O
port	O
;	O
and	O
IEEE	O
802.11b	O
Wi-Fi	O
for	O
access	O
to	O
the	O
Internet	O
,	O
free	O
online	O
multiplayer	O
gaming	O
via	O
PlayStation	B-Device
Network	I-Device
,	O
the	O
ability	O
to	O
purchase	O
games	O
from	O
PlayStation	B-Device
Store	O
(	O
now	O
discontinued	O
)	O
,	O
and	O
data	O
transfer	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
uses	O
two	O
333MHz	O
MIPS32	B-Device
R4000	B-General_Concept
R4k-based	O
CPUs	B-General_Concept
,	O
as	O
a	O
main	O
CPU	O
and	O
Media	O
Engine	O
,	O
a	O
GPU	B-Architecture
running	O
at	O
166MHz	O
,	O
and	O
includes	O
32MB	O
main	O
RAM	B-Architecture
(	O
64MB	O
on	O
PSP-2000	O
and	O
later	O
models	O
)	O
,	O
and	O
4MB	O
embedded	O
DRAM	O
split	O
between	O
the	O
aforementioned	O
GPU	B-Architecture
and	O
Media	O
Engine	O
.	O
</s>
<s>
With	O
firmware	B-Application
update	O
3.50	O
on	O
May	O
31	O
,	O
2007	O
,	O
however	O
,	O
Sony	O
removed	O
this	O
limit	O
and	O
allowed	O
new	O
games	O
to	O
run	O
at	O
333MHz	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
is	O
powered	O
by	O
an	O
1800mAh	O
battery	O
(	O
1200mAh	O
on	O
the	O
2000	O
and	O
3000	O
models	O
)	O
that	O
provides	O
between	O
about	O
three	O
and	O
sixhours	O
of	O
gameplay	O
,	O
between	O
four	O
and	O
fivehours	O
of	O
video	O
playback	O
,	O
or	O
between	O
eight	O
and	O
elevenhours	O
of	O
audio	O
playback	O
.	O
</s>
<s>
To	O
make	O
the	O
unit	O
slimmer	O
,	O
the	O
capacity	O
of	O
the	O
PSP	B-Operating_System
's	O
battery	O
was	O
reduced	O
from	O
1800mAh	O
to	O
1200mAh	O
in	O
the	O
PSP-2000	O
and	O
3000	O
models	O
.	O
</s>
<s>
The	O
batteries	O
take	O
about	O
1.5	O
hours	O
to	O
charge	O
and	O
last	O
for	O
between	O
four-and-a-half	O
and	O
seven	O
hours	O
depending	O
on	O
factors	O
such	O
as	O
screen	O
brightness	O
settings	O
,	O
the	O
use	O
of	O
WLAN	B-Architecture
,	O
and	O
volume	O
levels	O
.	O
</s>
<s>
In	O
Japan	O
,	O
the	O
kit	O
was	O
sold	O
with	O
a	O
specific-colored	O
cover	O
matching	O
the	O
many	O
PSP	B-Operating_System
variations	O
available	O
.	O
</s>
<s>
The	O
PSP-2000	O
,	O
marketed	O
in	O
PAL	O
countries	O
as	O
the	O
"	O
PSP	B-Operating_System
Slim	O
"	O
,	O
is	O
the	O
first	O
redesign	O
of	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
The	O
PSP-2000	O
system	O
is	O
slimmer	O
and	O
lighter	O
than	O
the	O
original	O
PSP	B-Operating_System
,	O
reduced	O
from	O
and	O
from	O
.	O
</s>
<s>
The	O
UK	O
release	O
for	O
the	O
PSP-2000	O
was	O
September	O
14	O
.	O
</s>
<s>
The	O
serial	O
port	O
was	O
modified	O
to	O
accommodate	O
a	O
new	O
video-out	B-Protocol
feature	O
,	O
making	O
it	O
incompatible	O
with	O
older	O
PSP	B-Operating_System
remote	O
controls	O
.	O
</s>
<s>
On	O
the	O
PSP-2000	O
,	O
games	O
only	O
output	O
to	O
external	O
monitors	O
and	O
televisions	O
in	O
progressive	B-Device
scan	I-Device
mode	O
.	O
</s>
<s>
USB	B-Protocol
charging	O
was	O
introduced	O
and	O
the	O
D-Pad	O
was	O
raised	O
in	O
response	O
to	O
complaints	O
of	O
poor	O
performance	O
and	O
the	O
responsiveness	O
of	O
the	O
buttons	O
was	O
improved	O
.	O
</s>
<s>
Other	O
changes	O
include	O
improved	O
WLAN	B-Architecture
modules	O
and	O
micro-controller	B-Architecture
,	O
and	O
a	O
thinner	O
,	O
brighter	O
LCD	B-Device
screen	I-Device
.	O
</s>
<s>
To	O
improve	O
the	O
poor	O
loading	O
times	O
of	O
UMD	O
games	O
on	O
the	O
original	O
PSP	B-Operating_System
,	O
the	O
internal	O
memory	O
(	O
RAM	B-Architecture
and	O
Flash	B-Device
ROM	I-Device
)	O
was	O
doubled	O
from	O
32MB	O
to	O
64MB	O
,	O
part	O
of	O
which	O
now	O
acting	O
as	O
a	O
cache	O
,	O
also	O
improving	O
the	O
web	O
browser	O
's	O
performance	O
.	O
</s>
<s>
In	O
comparison	O
with	O
the	O
PSP-2000	O
,	O
the	O
3000	O
,	O
marketed	O
in	O
PAL	O
areas	O
as	O
"	O
PSP	B-Operating_System
Slim	O
&	O
Lite	O
"	O
or	O
"	O
PSP	B-Operating_System
Brite	O
"	O
,	O
has	O
an	O
improved	O
LCD	B-Device
screen	I-Device
with	O
an	O
increased	O
color	O
range	O
,	O
five	O
times	O
the	O
contrast	O
ratio	O
,	O
a	O
halved	O
pixel	O
response	O
time	O
,	O
new	O
sub-pixel	O
structure	O
,	O
and	O
anti-reflective	O
technology	O
to	O
reduce	O
outdoor	O
glare	O
.	O
</s>
<s>
Games	O
could	O
now	O
be	O
output	O
in	O
either	O
component	O
or	O
composite	O
video	O
using	O
the	O
video-out	B-Protocol
cable	O
.	O
</s>
<s>
The	O
PSP-3000	O
was	O
released	O
in	O
North	O
America	O
on	O
October	O
14	O
,	O
2008	O
,	O
in	O
Japan	O
on	O
,	O
in	O
Europe	O
on	O
,	O
and	O
in	O
Australia	O
on	O
.	O
</s>
<s>
In	O
its	O
first	O
four	O
days	O
on	O
sale	O
in	O
Japan	O
,	O
the	O
PSP-3000	O
sold	O
over	O
141,270	O
units	O
,	O
according	O
to	O
Famitsu	O
;	O
it	O
sold	O
267,000	O
units	O
during	O
October	O
.	O
</s>
<s>
On	O
its	O
release	O
,	O
a	O
problem	O
with	O
interlacing	O
when	O
objects	O
were	O
in	O
motion	O
on	O
the	O
PSP-3000	O
screen	O
was	O
noticed	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
Go	O
(	O
model	O
PSP-N1000	O
)	O
was	O
released	O
on	O
October	O
1	O
,	O
2009	O
,	O
in	O
North	O
American	O
and	O
European	O
territories	O
,	O
and	O
on	O
November	O
1	O
in	O
Japan	O
.	O
</s>
<s>
It	O
was	O
revealed	O
prior	O
to	O
E3	O
2009	O
through	O
Sony	O
's	O
Qore	B-Device
video	B-Application
on	I-Application
demand	I-Application
service	O
.	O
</s>
<s>
Its	O
design	O
is	O
significantly	O
different	O
from	O
other	O
PSP	B-Operating_System
models	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
480×272	O
pixel	O
LCD	B-Device
screen	I-Device
,	O
which	O
slides	O
up	O
to	O
reveal	O
the	O
main	O
controls	O
.	O
</s>
<s>
The	O
overall	O
shape	O
and	O
sliding	O
mechanism	O
are	O
similar	O
to	O
those	O
of	O
Sony	O
's	O
mylo	B-Application
COM-2	I-Application
Internet	O
device	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
Go	O
features	O
802.11b	O
Wi-Fi	O
like	O
its	O
predecessors	O
,	O
although	O
the	O
USB	B-Protocol
port	I-Protocol
was	O
replaced	O
with	O
a	O
proprietary	O
connector	O
.	O
</s>
<s>
A	O
compatible	O
cable	O
that	O
connects	O
to	O
other	O
devices	O
 '	O
USB	B-Protocol
ports	I-Protocol
is	O
included	O
with	O
the	O
unit	O
.	O
</s>
<s>
As	O
with	O
previous	O
models	O
,	O
Sony	O
also	O
offers	O
a	O
cradle	O
(	O
PSP-N340	O
)	O
for	O
charging	O
,	O
video	O
out	O
,	O
and	O
USB	B-Protocol
data	O
transfer	O
on	O
the	O
PSP	B-Operating_System
Go	O
.	O
</s>
<s>
This	O
model	O
adds	O
support	O
for	O
Bluetooth	B-Protocol
connectivity	O
,	O
which	O
enables	O
the	O
playing	O
of	O
games	O
using	O
a	O
Sixaxis	B-Device
or	O
DualShock	O
3	O
controller	O
.	O
</s>
<s>
The	O
use	O
of	O
the	O
cradle	O
with	O
the	O
controller	O
allow	O
players	O
to	O
use	O
the	O
PSP	B-Operating_System
Go	O
as	O
a	O
portable	O
device	O
and	O
as	O
a	O
console	O
,	O
although	O
the	O
output	O
is	O
not	O
upscaled	O
.	O
</s>
<s>
PlayStation	B-Device
1	I-Device
games	O
can	O
be	O
played	O
in	O
full	O
screen	O
using	O
the	O
AV/component	O
cable	O
or	O
the	O
cradle	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
Go	O
lacks	O
a	O
UMD	O
drive	O
,	O
and	O
instead	O
has	O
16GB	O
of	O
internal	O
flash	B-Device
memory	I-Device
,	O
which	O
can	O
be	O
extended	O
by	O
up	O
to	O
32GB	O
with	O
the	O
use	O
of	O
a	O
Memory	O
Stick	O
Micro	O
(	O
M2	O
)	O
.	O
</s>
<s>
Games	O
must	O
be	O
downloaded	O
from	O
the	O
PlayStation	B-Device
Store	O
.	O
</s>
<s>
The	O
removal	O
of	O
the	O
UMD	O
drive	O
effectively	O
region-locks	O
the	O
unit	O
because	O
it	O
must	O
be	O
linked	O
to	O
a	O
single	O
,	O
region-locked	O
PlayStation	B-Device
Network	I-Device
account	O
.	O
</s>
<s>
While	O
the	O
PSP	B-Operating_System
Go	O
can	O
download	O
games	O
to	O
itself	O
,	O
users	O
can	O
also	O
download	O
and	O
transfer	O
games	O
to	O
the	O
device	O
from	O
a	O
PlayStation	B-Operating_System
3	I-Operating_System
console	O
,	O
or	O
the	O
Windows-based	O
software	O
Media	B-Protocol
Go	I-Protocol
.	O
</s>
<s>
All	O
downloadable	O
PSP	B-Operating_System
and	O
PlayStation	B-Device
games	O
available	O
for	O
older	O
PSP	B-Operating_System
models	O
are	O
compatible	O
with	O
the	O
PSP	B-Operating_System
Go	O
.	O
</s>
<s>
Sony	O
confirmed	O
that	O
almost	O
all	O
UMD-based	O
PSP	B-Operating_System
games	O
released	O
after	O
October	O
1	O
,	O
2009	O
,	O
would	O
be	O
available	O
to	O
download	O
and	O
that	O
most	O
older	O
UMD-only	O
games	O
would	O
also	O
be	O
downloadable	O
.	O
</s>
<s>
In	O
February	O
2010	O
,	O
it	O
was	O
reported	O
that	O
Sony	O
might	O
re-launch	O
the	O
PSP	B-Operating_System
Go	O
due	O
to	O
the	O
lack	O
of	O
consumer	O
interest	O
and	O
poor	O
sales	O
.	O
</s>
<s>
Three	O
free	O
games	O
for	O
the	O
PSP	B-Operating_System
Go	O
were	O
offered	O
in	O
America	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
outside	O
of	O
North	O
America	O
so	O
it	O
could	O
concentrate	O
on	O
the	O
PlayStation	B-Device
Vita	I-Device
.	O
</s>
<s>
The	O
PSP-E1000	O
,	O
which	O
was	O
announced	O
at	O
Gamescom	O
2011	O
,	O
is	O
a	O
budget-focused	O
model	O
that	O
was	O
released	O
across	O
the	O
PAL	O
region	O
on	O
October	O
26	O
of	O
that	O
year	O
.	O
</s>
<s>
The	O
E1000	O
lacks	O
Wi-Fi	O
capability	O
and	O
has	O
a	O
matte	O
finish	O
similar	O
to	O
that	O
of	O
the	O
slim	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
This	O
model	O
also	O
lacked	O
the	O
physical	O
brightness	O
buttons	O
from	O
the	O
front	O
of	O
the	O
handheld	B-Application
,	O
instead	O
offering	O
brightness	O
controls	O
in	O
the	O
System	O
Software	O
's	O
'	O
Power	O
Save	O
Settings	O
 '	O
menu	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
was	O
sold	O
in	O
four	O
main	O
configurations	O
.	O
</s>
<s>
Many	O
limited	O
editions	O
of	O
the	O
PSP	B-Operating_System
were	O
bundled	O
with	O
accessories	O
,	O
games	O
,	O
or	O
movies	O
.	O
</s>
<s>
The	O
first	O
initial	O
release	O
of	O
the	O
Slims	O
in	O
North	O
America	O
on	O
September	O
5	O
,	O
2007	O
,	O
sold	O
Daxter	B-Application
PSPs	B-Operating_System
.	O
</s>
<s>
Included	O
with	O
the	O
bundle	O
was	O
an	O
Ice	O
Silver	O
PSP	B-Operating_System
with	O
a	O
Daxter	B-Application
UMD	O
,	O
the	O
Family	O
Guy	O
:	O
Freaking	O
Sweet	O
Collection	O
,	O
and	O
a	O
1GB	O
Memory	O
Stick	O
for	O
usage	O
.	O
</s>
<s>
The	O
PSP-2000	O
was	O
made	O
available	O
in	O
piano	O
black	O
,	O
ceramic	O
white	O
,	O
ice	O
silver	O
,	O
mint	O
green	O
,	O
felicia	O
blue	O
,	O
lavender	O
purple	O
,	O
deep	O
red	O
,	O
matte	O
bronze	O
,	O
metallic	O
blue	O
,	O
and	O
rose	O
pink	O
as	O
standard	O
colors	O
.	O
</s>
<s>
Several	O
special-edition	O
consoles	O
were	O
colored	O
and	O
finished	O
to	O
sell	O
with	O
certain	O
games	O
,	O
including	O
Final	O
Fantasy	O
VII	O
:	O
Crisis	B-Application
Core	I-Application
(	O
ice	O
silver	O
engraved	O
)	O
,	O
Star	O
Ocean	O
:	O
First	O
Departure	O
(	O
felicia	O
blue	O
engraved	O
)	O
,	O
Gundam	O
(	O
red	O
gloss/matte	O
black	O
)	O
,	O
and	O
Monster	B-Application
Hunter	I-Application
Freedom	I-Application
(	O
gold	O
silkscreened	O
)	O
in	O
Japan	O
,	O
Star	B-Application
Wars	I-Application
(	O
Darth	O
Vader	O
silkscreened	O
)	O
,	O
and	O
God	B-Application
of	I-Application
War	I-Application
:	I-Application
Chains	I-Application
of	I-Application
Olympus	I-Application
(	O
Kratos	O
silkscreened	O
)	O
in	O
North	O
America	O
,	O
The	B-Application
Simpsons	I-Application
(	O
bright	O
yellow	O
with	O
white	O
buttons	O
,	O
analog	O
and	O
disc	O
tray	O
)	O
in	O
Australia	O
and	O
New	O
Zealand	O
,	O
and	O
Spider-Man	B-Device
(	O
red	O
gloss/matte	O
black	O
)	O
in	O
Europe	O
.	O
</s>
<s>
The	O
PSP-3000	O
was	O
made	O
available	O
in	O
piano	O
black	O
,	O
pearl	O
white	O
,	O
mystic	O
silver	O
,	O
radiant	O
red	O
,	O
vibrant	O
blue	O
,	O
spirited	O
green	O
,	O
blossom	O
pink	O
,	O
turquoise	O
green	O
and	O
lilac	O
purple	O
.	O
</s>
<s>
The	O
limited	O
edition	O
"	O
Big	O
Boss	O
Pack	O
"	O
of	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
:	I-Application
Peace	I-Application
Walker	I-Application
had	O
a	O
camouflage	O
pattern	O
while	O
the	O
God	B-Application
of	I-Application
War	I-Application
:	I-Application
Ghost	I-Application
of	I-Application
Sparta	I-Application
bundle	O
pack	O
included	O
a	O
black-and-red	O
two-toned	O
PSP	B-Operating_System
.	O
</s>
<s>
The	O
Dissidia	B-Application
012	I-Application
Final	I-Application
Fantasy	I-Application
Cosmos	O
&	O
Chaos	O
edition	O
that	O
was	O
released	O
on	O
March	O
3	O
,	O
2011	O
,	O
has	O
an	O
Amano	O
artwork	O
as	O
the	O
PSP	B-Operating_System
's	O
face	O
plate	O
.	O
</s>
<s>
Below	O
is	O
a	O
comparison	O
of	O
the	O
different	O
PlayStation	B-Operating_System
Portable	I-Operating_System
models	O
:	O
</s>
<s>
The	O
PSP	B-Operating_System
runs	O
a	O
custom	O
operating	B-General_Concept
system	I-General_Concept
referred	O
to	O
as	O
the	O
System	O
Software	O
,	O
which	O
can	O
be	O
updated	O
over	O
the	O
Internet	O
,	O
or	O
by	O
loading	O
an	O
update	O
from	O
a	O
Memory	O
Stick	O
or	O
UMD	O
.	O
</s>
<s>
System	O
Software	O
updates	O
have	O
added	O
many	O
features	O
,	O
including	O
a	O
web	O
browser	O
,	O
Adobe	B-Operating_System
Flash	I-Operating_System
support	O
,	O
additional	O
codecs	O
for	O
various	O
media	O
,	O
PlayStation	B-Operating_System
3	I-Operating_System
(	O
PS3	B-Operating_System
)	O
connectivity	O
,	O
and	O
patches	O
against	O
security	O
exploits	O
and	O
the	O
execution	O
of	O
homebrew	B-Application
programs	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
Internet	O
Browser	O
is	O
a	O
version	O
of	O
the	O
NetFront	B-Operating_System
browser	I-Operating_System
and	O
came	O
with	O
the	O
system	O
via	O
the	O
2.00	O
update	O
.	O
</s>
<s>
The	O
browser	O
supports	O
most	O
common	O
web	O
technologies	O
,	O
such	O
as	O
HTTP	B-Application
cookies	I-Application
,	O
forms	B-General_Concept
,	O
CSS	B-Language
,	O
and	O
basic	O
JavaScript	B-Language
.	O
</s>
<s>
Remote	O
Play	O
allows	O
the	O
PSP	B-Operating_System
to	O
access	O
many	O
of	O
the	O
features	O
of	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
console	O
from	O
a	O
remote	O
location	O
using	O
the	B-Operating_System
PS3	I-Operating_System
's	O
WLAN	B-Architecture
capabilities	O
,	O
a	O
home	O
network	O
,	O
or	O
the	O
Internet	O
.	O
</s>
<s>
Using	O
Remote	O
Play	O
,	O
users	O
can	O
view	O
photographs	O
,	O
listen	O
to	O
music	O
,	O
and	O
watch	O
videos	O
stored	O
on	O
the	B-Operating_System
PS3	I-Operating_System
or	O
connected	O
USB	B-Protocol
devices	I-Protocol
.	O
</s>
<s>
Remote	O
Play	O
also	O
allows	O
the	B-Operating_System
PS3	I-Operating_System
to	O
be	O
turned	O
on	O
and	O
off	O
remotely	O
and	O
lets	O
the	O
PSP	B-Operating_System
control	O
audio	O
playback	O
from	O
the	B-Operating_System
PS3	I-Operating_System
to	O
a	O
home	O
theater	O
system	O
.	O
</s>
<s>
Although	O
most	O
of	O
the	B-Operating_System
PS3	I-Operating_System
's	O
capabilities	O
are	O
accessible	O
with	O
Remote	O
Play	O
,	O
playback	O
of	O
DVDs	O
,	O
Blu-ray	O
Discs	O
,	O
PlayStation	B-Device
games	O
,	O
PlayStation	B-Device
2	I-Device
games	O
,	O
most	O
PS3	B-Operating_System
games	O
,	O
and	O
copy-protected	O
files	O
stored	O
on	O
the	O
hard	O
drive	O
are	O
not	O
supported	O
.	O
</s>
<s>
Starting	O
with	O
System	O
Software	O
version	O
3.90	O
,	O
the	O
PSP-2000	O
,	O
3000	O
,	O
and	O
Go	O
could	O
use	O
the	O
Skype	B-Application
VoIP	B-Application
service	O
.	O
</s>
<s>
Due	O
to	O
hardware	O
constraints	O
it	O
was	O
not	O
possible	O
to	O
use	O
the	O
service	O
on	O
the	O
PSP-1000	O
.	O
</s>
<s>
The	O
service	O
allowed	O
Skype	B-Application
calls	O
to	O
be	O
made	O
over	O
Wi-Fi	O
and	O
–	O
on	O
the	O
Go	O
–	O
over	O
the	O
Bluetooth	B-Protocol
modem	O
.	O
</s>
<s>
Users	O
had	O
to	O
purchase	O
Skype	B-Application
credit	O
to	O
make	O
telephone	O
calls	O
.	O
</s>
<s>
Skype	B-Application
for	O
PlayStation®Portable	O
was	O
discontinued	O
on	O
June	O
22	O
,	O
2016	O
.	O
</s>
<s>
At	O
Tokyo	O
Game	O
Show	O
2009	O
,	O
Sony	O
announced	O
that	O
a	O
service	O
similar	O
to	O
PlayStation	B-Protocol
Home	I-Protocol
,	O
the	B-Operating_System
PS3	I-Operating_System
's	O
online	O
community-based	O
service	O
,	O
was	O
being	O
developed	O
for	O
the	O
PSP	B-Operating_System
.	O
</s>
<s>
It	O
could	O
be	O
launched	O
directly	O
from	O
the	O
PlayStation	B-Device
Network	I-Device
section	O
of	O
the	O
XMB	B-Device
.	O
</s>
<s>
As	O
in	O
Home	O
,	O
PSP	B-Operating_System
owners	O
would	O
have	O
been	O
able	O
to	O
invite	O
other	O
PSP	B-Operating_System
owners	O
into	O
their	O
rooms	O
to	O
"	O
enjoy	O
real	O
time	O
communication	O
"	O
.	O
</s>
<s>
The	O
SensMe	B-Application
software	O
,	O
which	O
had	O
already	O
existed	O
on	O
some	O
Walkman	O
music	O
players	O
and	O
Sony	O
Ericsson	O
handsets	O
,	O
was	O
added	O
to	O
the	O
PSP	B-Operating_System
through	O
a	O
software	O
update	O
in	O
2009	O
.	O
</s>
<s>
It	O
is	O
a	O
music	O
analyser	O
that	O
reads	O
music	O
files	O
stored	O
on	O
the	O
PSP	B-Operating_System
and	O
categorises	O
them	O
into	O
"	O
channels	O
"	O
representing	O
moods	O
and	O
creates	O
automatic	O
playlists	O
from	O
it	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
has	O
support	O
for	O
the	O
playback	O
of	O
MP3	B-Application
and	O
ATRAC	O
audio	O
files	O
,	O
as	O
well	O
as	O
WMA	B-Application
since	O
firmware	B-Application
version	O
2.60	O
.	O
</s>
<s>
Sony	O
partnered	O
with	O
publishers	O
such	O
as	O
Rebellion	O
Developments	O
,	O
Disney	O
,	O
IDW	O
Publishing	O
,	O
Insomnia	O
Publications	O
,	O
,	O
Marvel	O
Comics	O
,	O
and	O
Titan	O
Books	O
to	O
release	O
digitized	O
comics	O
on	O
the	O
PlayStation	B-Device
Store	O
.	O
</s>
<s>
The	O
Digital	O
Comics	O
Reader	O
application	O
required	O
PSP	B-Operating_System
firmware	I-Operating_System
6.20	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
Store	O
's	O
"	O
Comic	O
"	O
section	O
premiered	O
in	O
Japan	O
on	O
,	O
2009	O
,	O
with	O
licensed	O
publishers	O
ASCII	O
Media	O
Works	O
,	O
Enterbrain	O
,	O
Kadokawa	O
,	O
Kodansha	O
,	O
Shueisha	O
,	O
Shogakukan	O
,	O
Square-Enix	O
,	O
Softbank	O
Creative	O
(	O
HQ	O
Comics	O
)	O
,	O
Hakusensha	O
,	O
Bandai	O
Visual	O
,	O
Fujimishobo	O
,	O
Futabasha	O
,	O
and	O
Bunkasha	O
.	O
</s>
<s>
It	O
launched	O
in	O
the	O
United	O
States	O
and	O
in	O
English-speaking	O
PAL	O
countries	O
on	O
,	O
2009	O
,	O
though	O
the	O
first	O
issues	O
of	O
Aleister	O
Arcane	O
,	O
Astro	B-Application
Boy	I-Application
:	O
Movie	O
Adaptation	O
,	O
Star	B-Operating_System
Trek	I-Operating_System
:	O
Enterprise	O
Experiment	O
and	O
Transformers	B-Application
:	O
All	O
Hail	O
Megatron	O
were	O
made	O
available	O
as	O
early	O
as	O
through	O
limited-time	O
PlayStation	B-Device
Network	I-Device
redemption	O
codes	O
.	O
</s>
<s>
The	O
choice	O
of	O
regional	O
Comic	O
Reader	O
software	O
is	O
dictated	O
by	O
the	O
PSP	B-Operating_System
's	O
firmware	B-Application
region	O
;	O
the	O
Japanese	O
Comic	O
Reader	O
will	O
not	O
display	O
comics	O
purchased	O
from	O
the	O
European	O
store	O
,	O
and	O
vice	O
versa	O
.	O
</s>
<s>
In	O
Japanese	O
market	O
PSPs	B-Operating_System
,	O
an	O
application	O
called	O
x-Radar	O
Portable	O
came	O
preloaded	O
starting	O
with	O
firmware	B-Application
version	O
6.35	O
(	O
January	O
2010	O
)	O
.	O
</s>
<s>
This	O
is	O
a	O
port	O
of	O
a	O
map	O
software	O
for	O
PCs	B-Device
and	O
mobile	O
phones	O
called	O
x-Radar	O
,	O
developed	O
by	O
PetaMap	O
.	O
</s>
<s>
x-Radar	O
Portable	O
gets	O
the	O
location	O
of	O
the	O
PSP	B-Operating_System
on	O
a	O
map	O
and	O
obtains	O
information	O
of	O
places	O
around	O
the	O
user	O
.	O
</s>
<s>
It	O
determines	O
the	O
location	O
through	O
"	O
PlaceEngine	O
"	O
technology	O
,	O
via	O
wireless	B-Architecture
LAN	I-Architecture
spots	O
.	O
</s>
<s>
On	O
June	O
15	O
,	O
2005	O
,	O
hackers	O
disassembled	O
the	O
code	O
of	O
the	O
PSP	B-Operating_System
and	O
distributed	O
it	O
online	O
.	O
</s>
<s>
Initially	O
the	O
modified	O
PSP	B-Operating_System
allowed	O
users	O
to	O
run	O
custom	O
code	O
and	O
a	O
limited	O
amount	O
of	O
protected	O
software	O
,	O
including	O
custom-made	O
PSP	B-Operating_System
applications	O
such	O
as	O
a	O
calculator	O
or	O
file	O
manager	O
.	O
</s>
<s>
Some	O
users	O
were	O
able	O
to	O
unlock	O
the	O
firmware	B-Application
to	O
allow	O
them	O
to	O
run	O
more	O
custom	O
content	O
and	O
DRM-restricted	O
software	O
.	O
</s>
<s>
Hackers	O
were	O
able	O
to	O
run	O
protected	O
software	O
on	O
the	O
PSP	B-Operating_System
through	O
the	O
creation	O
of	O
ISO	O
loaders	O
that	O
could	O
load	O
copies	O
of	O
UMD	O
games	O
from	O
a	O
memory	O
stick	O
.	O
</s>
<s>
Custom	O
firmware	B-Application
including	O
the	O
M33	O
Custom	O
Firmware	B-Application
,	O
Minimum	O
Edition	O
(	O
ME/LME	O
)	O
CFW	O
and	O
PRO	O
CFW	O
were	O
commonly	O
seen	O
in	O
PSP	B-Operating_System
systems	O
.	O
</s>
<s>
The	O
management	O
of	O
media	O
content	O
of	O
the	O
PSP	B-Operating_System
through	O
personal	B-Device
computers	I-Device
was	O
fulfilled	O
by	O
Sony	O
's	O
PSP	B-Device
Media	I-Device
Manager	I-Device
software	O
for	O
Windows	B-Application
,	O
allowing	O
transfer	O
as	O
well	O
as	O
music/video	O
playback	O
and	O
backups	O
.	O
</s>
<s>
In	O
2009	O
the	O
PSP	B-Device
Media	I-Device
Manager	I-Device
was	O
replaced	O
by	O
Media	B-Protocol
Go	I-Protocol
.	O
</s>
<s>
There	O
were	O
1,370	O
games	O
released	O
for	O
the	O
PSP	B-Operating_System
during	O
its	O
10-year	O
lifespan	O
.	O
</s>
<s>
Launch	O
games	O
for	O
PSP	B-Operating_System
included	O
;	O
Ape	O
Escape	O
:	O
On	O
the	O
Loose	O
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Darkstalkers	B-Device
Chronicle	I-Device
:	I-Device
The	I-Device
Chaos	I-Device
Tower	I-Device
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Dynasty	B-Device
Warriors	I-Device
(	O
all	O
regions	O
)	O
,	O
Lumines	O
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Metal	B-Application
Gear	I-Application
Acid	I-Application
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Need	B-Application
for	I-Application
Speed	I-Application
:	I-Application
Underground	I-Application
Rivals	I-Application
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
NFL	B-Application
Street	I-Application
2	I-Application
:	O
Unleashed	O
(	O
North	O
America	O
,	O
Europe	O
)	O
,	O
Ridge	B-Application
Racer	I-Application
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Spider-Man	B-Application
2	I-Application
(	O
2004	O
)	O
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Tiger	O
Woods	O
PGA	O
Tour	O
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Tony	B-Application
Hawk	I-Application
's	I-Application
Underground	I-Application
2	I-Application
Remix	I-Application
(	O
North	O
America	O
,	O
Europe	O
)	O
,	O
Twisted	B-Application
Metal	I-Application
:	I-Application
Head-On	I-Application
(	O
North	O
America	O
,	O
Europe	O
)	O
,	O
Untold	B-Application
Legends	I-Application
:	I-Application
Brotherhood	I-Application
of	I-Application
the	I-Application
Blade	I-Application
(	O
North	O
America	O
,	O
Europe	O
,	O
Japan	O
)	O
,	O
Wipeout	B-Device
Pure	I-Device
(	O
all	O
regions	O
)	O
,	O
and	O
World	B-Application
Tour	I-Application
Soccer	I-Application
:	I-Application
Challenge	I-Application
Edition	I-Application
(	O
North	O
America	O
,	O
Europe	O
)	O
.	O
</s>
<s>
The	O
best	O
selling	O
PSP	B-Operating_System
game	O
is	O
Grand	B-Application
Theft	I-Application
Auto	I-Application
:	I-Application
Liberty	I-Application
City	I-Application
Stories	I-Application
,	O
which	O
sold	O
7.6	O
million	O
copies	O
as	O
of	O
October	O
2015	O
.	O
</s>
<s>
Other	O
top	O
selling	O
PSP	B-Operating_System
games	O
include	O
Grand	B-Application
Theft	I-Application
Auto	I-Application
:	I-Application
Vice	I-Application
City	I-Application
Stories	I-Application
,	O
Monster	B-Application
Hunter	I-Application
Portable	I-Application
3rd	I-Application
,	O
Gran	B-Device
Turismo	I-Device
,	O
and	O
Monster	B-Application
Hunter	I-Application
Freedom	I-Application
Unite	I-Application
.	O
</s>
<s>
Retro	B-Application
City	I-Application
Rampage	I-Application
DX	I-Application
,	O
which	O
was	O
released	O
in	O
July	O
2016	O
,	O
was	O
the	O
final	O
PSP	B-Operating_System
game	O
that	O
was	O
released	O
.	O
</s>
<s>
The	O
best	O
rated	O
PSP	B-Operating_System
games	O
on	O
Metacritic	O
are	O
God	B-Application
of	I-Application
War	I-Application
:	I-Application
Ghost	I-Application
of	I-Application
Sparta	I-Application
,	O
Grand	B-Application
Theft	I-Application
Auto	I-Application
:	I-Application
Vice	I-Application
City	I-Application
Stories	I-Application
,	O
and	O
Daxter	B-Application
,	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
:	I-Application
Peace	I-Application
Walker	I-Application
is	O
the	O
only	O
PSP	B-Operating_System
game	O
to	O
receive	O
a	O
perfect	O
score	O
from	O
Famitsū	O
.	O
</s>
<s>
During	O
E3	O
2006	O
,	O
Sony	O
Computer	O
Entertainment	O
America	O
announced	O
that	O
the	O
Greatest	B-Device
Hits	I-Device
range	O
of	O
budget	O
titles	O
were	O
to	O
be	O
extended	O
to	O
the	O
PSP	B-Operating_System
system	O
.	O
</s>
<s>
On	O
,	O
2006	O
,	O
Sony	O
Computer	O
Entertainment	O
America	O
released	O
the	O
first	O
batch	O
of	O
Greatest	B-Device
Hits	I-Device
titles	O
.	O
</s>
<s>
These	O
titles	O
included	O
Ape	O
Escape:On	O
the	O
Loose	O
,	O
ATV	B-Device
Offroad	I-Device
Fury	I-Device
:	I-Device
Blazin	I-Device
 '	I-Device
Trails	I-Device
,	O
Hot	O
Shots	O
:	O
Open	O
Tee	O
,	O
Twisted	B-Application
Metal	I-Application
:	I-Application
Head-On	I-Application
,	O
and	O
Wipeout	B-Device
Pure	I-Device
.	O
</s>
<s>
The	O
PSP	B-Operating_System
Greatest	B-Device
Hits	I-Device
lineup	O
consists	O
of	O
games	O
that	O
have	O
sold	O
250,000	O
copies	O
or	O
more	O
and	O
have	O
been	O
released	O
for	O
nine	O
months	O
.	O
</s>
<s>
PSP	B-Operating_System
games	O
in	O
this	O
lineup	O
retail	O
for	O
$19.99	O
each	O
.	O
</s>
<s>
A	O
section	O
of	O
the	O
PlayStation	B-Device
Store	O
was	O
dedicated	O
to	O
"	O
Minis	O
"	O
;	O
smaller	O
,	O
cheaper	O
games	O
available	O
as	O
download	O
only	O
.	O
</s>
<s>
Trophy	O
support	O
was	O
planned	O
for	O
the	O
PSP	B-Operating_System
but	O
the	O
idea	O
was	O
cancelled	O
after	O
the	O
firmware	B-Application
was	O
cracked	O
.	O
</s>
<s>
In	O
late	O
2004	O
,	O
Sony	O
released	O
a	O
series	O
of	O
PSP	B-Operating_System
demo	O
games	O
,	O
including	O
Duck	O
In	O
Water	O
,	O
world/ball	O
,	O
Harmonic	O
City	O
,	O
and	O
Luga	O
City	O
.	O
</s>
<s>
Demos	O
for	O
commercial	O
PSP	B-Operating_System
games	O
could	O
be	O
downloaded	O
and	O
booted	O
directly	O
from	O
a	O
Memory	O
Stick	O
.	O
</s>
<s>
In	O
addition	O
,	O
several	O
older	O
PlayStation	B-Device
games	O
were	O
re-released	O
;	O
these	O
can	O
be	O
played	O
on	O
the	O
PSP	B-Operating_System
using	O
emulation	O
.	O
</s>
<s>
,	O
this	O
feature	O
could	O
be	O
officially	O
accessed	O
through	O
the	O
PlayStation	B-Device
Network	I-Device
service	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PSP	B-Operating_System
,	O
PlayStation	B-Device
Vita	I-Device
(	O
or	O
PlayStation	B-Device
TV	O
)	O
,	O
or	O
a	O
personal	B-Device
computer	I-Device
.	O
</s>
<s>
Emulation	O
of	O
the	O
PSP	B-Operating_System
is	O
well-developed	O
;	O
one	O
of	O
the	O
first	O
emulators	O
was	O
JPCSP	O
,	O
which	O
run	O
on	O
Java	B-Language
.	O
</s>
<s>
PPSSPP	B-Language
is	O
currently	O
the	O
fastest	O
and	O
most	O
compatible	O
PSP	B-Operating_System
emulator	O
;	O
it	O
supports	O
all	O
major	O
games	O
.	O
</s>
<s>
In	O
mid	O
2009	O
,	O
as	O
larger	O
memory	O
stick	O
storage	O
became	O
available	O
for	O
the	O
PSP	B-Operating_System
,	O
the	O
ability	O
to	O
pre-install	O
some	O
or	O
all	O
data	O
from	O
a	O
game	O
became	O
a	O
feature	O
in	O
certain	O
games	O
.	O
</s>
<s>
Although	O
for	O
a	O
large	O
majority	O
of	O
the	O
games	O
the	O
feature	O
merely	O
improved	O
load	O
times	O
,	O
there	O
were	O
a	O
small	O
number	O
of	O
games	O
that	O
added	O
features	O
,	O
such	O
as	O
speech	O
in	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
:	I-Application
Peace	I-Application
Walker	I-Application
.	O
</s>
<s>
A	O
1seg	B-Device
television	O
tuner	O
peripheral	O
(	O
model	O
PSP-S310	O
)	O
,	O
designed	O
specifically	O
for	O
the	O
PSP-2000	O
,	O
was	O
released	O
in	O
Japan	O
on	O
September	O
20	O
,	O
2007	O
.	O
</s>
<s>
Sony	O
sold	O
a	O
GPS	O
accessory	O
for	O
the	O
PSP-2000	O
;	O
this	O
was	O
released	O
first	O
in	O
Japan	O
and	O
announced	O
for	O
the	O
United	O
States	O
in	O
2008	O
.	O
</s>
<s>
A	O
digital	O
camera	O
add-on	O
,	O
the	O
Go	B-Device
!	I-Device
Cam	I-Device
,	O
was	O
also	O
released	O
.	O
</s>
<s>
After	O
the	O
discontinuation	O
of	O
PSP	B-Operating_System
,	O
the	O
Chinese	O
electronics	O
company	O
Lenkeng	O
released	O
a	O
PSP-to-HDMI	O
converter	O
called	O
the	O
LKV-8000	O
.	O
</s>
<s>
The	O
device	O
is	O
compatible	O
with	O
the	O
PSP-2000	O
,	O
PSP-3000	O
and	O
PSP	B-Operating_System
Go	O
.	O
</s>
<s>
To	O
overcome	O
the	O
problem	O
of	O
PSP	B-Operating_System
games	O
being	O
displayed	O
in	O
a	O
small	O
window	O
surrounded	O
by	O
a	O
black	O
border	O
,	O
the	O
LKV-8000	O
has	O
a	O
zoom	O
button	O
on	O
the	O
connector	O
.	O
</s>
<s>
The	O
LKV-8000	O
and	O
its	O
variants	O
have	O
become	O
popular	O
among	O
players	O
and	O
reviewers	O
as	O
the	O
only	O
means	O
of	O
playing	O
and	O
recording	O
PSP	B-Operating_System
gameplay	O
on	O
a	O
large	O
screen	O
.	O
</s>
<s>
The	O
PSP	B-Operating_System
received	O
generally	O
positive	O
reviews	O
soon	O
after	O
launch	O
;	O
most	O
reviewers	O
noted	O
similar	O
strengths	O
and	O
weaknesses	O
.	O
</s>
<s>
Engadget	B-Application
praised	O
the	O
console	O
's	O
design	O
,	O
stating	O
that	O
"	O
it	O
is	O
definitely	O
one	O
well-designed	O
,	O
slick	O
little	O
handheld	B-Application
"	O
.	O
</s>
<s>
In	O
2008	O
,	O
Time	O
listed	O
the	O
PSP	B-Operating_System
as	O
a	O
"	O
gotta	O
have	O
travel	O
gadget	O
"	O
,	O
citing	O
the	O
console	O
's	O
movie	O
selection	O
,	O
telecommunications	O
capability	O
,	O
and	O
upcoming	O
GPS	O
functionality	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
Portable	I-Operating_System
was	O
initially	O
seen	O
as	O
superior	O
to	O
the	O
Nintendo	B-Device
DS	I-Device
when	O
both	O
devices	O
were	O
revealed	O
in	O
early	O
2004	O
because	O
of	O
the	O
designers	O
 '	O
emphasis	O
on	O
the	O
technical	O
accomplishments	O
of	O
the	O
system	O
.	O
</s>
<s>
Nintendo	O
of	O
America	O
President	O
Reggie	O
Fils-Aime	O
,	O
however	O
,	O
focused	O
on	O
the	O
experience	O
aspect	O
of	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
The	O
DS	B-Device
started	O
to	O
become	O
more	O
popular	O
than	O
the	O
PSP	B-Operating_System
early	O
on	O
because	O
it	O
attracted	O
more	O
third-party	O
developers	O
,	O
and	O
appealed	O
more	O
to	O
the	O
casual	O
gaming	O
market	O
.	O
</s>
<s>
The	O
DS	B-Device
sold	O
more	O
units	O
partly	O
because	O
of	O
its	O
touchscreen	O
and	O
second	O
display	O
.	O
</s>
<s>
From	O
a	O
multimedia	O
perspective	O
,	O
the	O
PSP	B-Operating_System
has	O
also	O
been	O
seen	O
as	O
a	O
competitor	O
to	O
portable	O
media	O
players	O
,	O
notably	O
the	O
iPod	O
Video	O
that	O
was	O
released	O
in	O
the	O
same	O
year	O
.	O
</s>
<s>
Reviews	O
of	O
the	O
PSP	B-Operating_System
Go	O
were	O
mixed	O
.	O
</s>
<s>
Engadget	B-Application
said	O
the	O
Go	O
cost	O
only	O
$50	O
less	O
than	O
the	B-Operating_System
PS3	I-Operating_System
,	O
which	O
has	O
a	O
Blu-ray	O
player	O
.	O
</s>
<s>
Wired	O
said	O
the	O
older	O
PSP-3000	O
model	O
was	O
cheaper	O
and	O
supports	O
UMDs	O
,	O
and	O
IGN	O
stated	O
that	O
the	O
price	O
increase	O
made	O
the	O
PSP	B-Operating_System
Go	O
a	O
"	O
hard	O
sell	O
"	O
.	O
</s>
<s>
The	O
device	O
's	O
capability	O
to	O
use	O
a	O
PS3	B-Operating_System
controller	O
was	O
praised	O
by	O
The	O
New	O
Zealand	O
Herald	O
but	O
Ars	O
Technica	O
criticized	O
the	O
need	O
to	O
connect	O
the	O
controller	O
and	O
the	O
Go	O
to	O
a	O
PS3	B-Operating_System
for	O
initial	O
setup	O
.	O
</s>
<s>
By	O
March	O
31	O
,	O
2007	O
,	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
had	O
shipped	O
25.39million	O
units	O
worldwide	O
with	O
6.92million	O
in	O
Asia	O
,	O
9.58million	O
in	O
North	O
America	O
,	O
and	O
8.89million	O
Europe	O
.	O
</s>
<s>
In	O
Europe	O
,	O
the	O
PSP	B-Operating_System
sold	O
4million	O
units	O
in	O
2006	O
and	O
3.1million	O
in	O
2007	O
,	O
according	O
to	O
estimates	O
by	O
Electronic	O
Arts	O
.	O
</s>
<s>
In	O
2007	O
,	O
the	O
PSP	B-Operating_System
sold	O
units	O
in	O
the	O
US	O
,	O
according	O
to	O
the	O
NPD	O
Group	O
and	O
3,022,659	O
in	O
Japan	O
according	O
to	O
Enterbrain	O
.	O
</s>
<s>
In	O
2008	O
,	O
the	O
PSP	B-Operating_System
sold	O
3,543,171	O
units	O
in	O
Japan	O
,	O
according	O
to	O
Enterbrain	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
the	O
PSP	B-Operating_System
had	O
sold	O
10.47million	O
units	O
by	O
January	O
1	O
,	O
2008	O
,	O
according	O
to	O
the	O
NPD	O
Group	O
.	O
</s>
<s>
In	O
Japan	O
,	O
during	O
the	O
week	O
–	O
30	O
,	O
2008	O
,	O
the	O
PSP	B-Operating_System
nearly	O
outsold	O
all	O
of	O
the	O
other	O
game	O
consoles	O
combined	O
,	O
selling	O
129,986	O
units	O
,	O
some	O
of	O
which	O
were	O
bundled	O
with	O
Monster	B-Application
Hunter	I-Application
Portable	I-Application
2nd	I-Application
G	I-Application
,	O
which	O
was	O
the	O
bestselling	O
game	O
in	O
that	O
week	O
,	O
according	O
to	O
Media	O
Create	O
.	O
</s>
<s>
As	O
of	O
,	O
2008	O
,	O
the	O
PSP	B-Operating_System
had	O
sold	O
11,078,484	O
units	O
in	O
Japan	O
,	O
according	O
to	O
Enterbrain	O
.	O
</s>
<s>
In	O
Europe	O
,	O
the	O
PSP	B-Operating_System
had	O
sold	O
units	O
as	O
of	O
,	O
2008	O
,	O
according	O
to	O
SCE	O
Europe	O
.	O
</s>
<s>
In	O
the	O
United	O
Kingdom	O
,	O
the	O
PSP	B-Operating_System
had	O
sold	O
units	O
as	O
of	O
,	O
2009	O
,	O
according	O
to	O
GfK	O
Chart-Track	O
.	O
</s>
<s>
From	O
2006	O
to	O
the	O
third	O
quarter	O
of	O
2010	O
,	O
the	O
PSP	B-Operating_System
sold	O
53	O
million	O
units	O
.	O
</s>
<s>
Despite	O
being	O
aimed	O
at	O
a	O
different	O
audience	O
,	O
the	O
PSP	B-Operating_System
competed	O
directly	O
with	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
During	O
the	O
last	O
few	O
years	O
of	O
its	O
life	O
cycle	O
,	O
sales	O
of	O
the	O
PSP	B-Operating_System
models	O
started	O
to	O
decrease	O
.	O
</s>
<s>
During	O
its	O
lifetime	O
,	O
the	O
PSP	B-Operating_System
sold	O
80	O
million	O
fewer	O
units	O
than	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
In	O
late	O
2005	O
,	O
Sony	O
said	O
it	O
had	O
hired	O
graffiti	O
artists	O
to	O
spray-paint	O
advertisements	O
for	O
the	O
PSP	B-Operating_System
in	O
seven	O
major	O
U.S.	O
cities	O
,	O
including	O
New	O
York	O
City	O
,	O
Atlanta	O
,	O
Philadelphia	O
,	O
and	O
San	O
Francisco	O
.	O
</s>
<s>
Later	O
in	O
2006	O
,	O
news	O
of	O
a	O
billboard	O
advertisement	O
released	O
in	O
the	O
Netherlands	O
depicting	O
a	O
white	O
woman	O
holding	O
a	O
black	O
woman	O
by	O
the	O
jaw	O
,	O
saying	O
"	O
PlayStation	B-Operating_System
Portable	I-Operating_System
White	O
is	O
coming	O
"	O
,	O
spread	O
.	O
</s>
<s>
Sony	O
's	O
stated	O
purpose	O
was	O
to	O
contrast	O
the	O
white	O
and	O
black	O
versions	O
of	O
the	O
PSP	B-Operating_System
but	O
the	O
advertisements	O
were	O
interpreted	O
as	O
being	O
racially	O
charged	O
.	O
</s>
<s>
The	O
advertisement	O
attracted	O
international	O
press	O
coverage	O
;	O
Engadget	B-Application
said	O
Sony	O
may	O
have	O
hoped	O
to	O
"	O
capitalize	O
on	O
a	O
PR	O
firestorm	O
"	O
.	O
</s>
<s>
Sony	O
came	O
under	O
scrutiny	O
online	O
in	O
December	O
2006	O
for	O
a	O
guerrilla	O
marketing	O
campaign	O
in	O
which	O
advertisers	O
posed	O
as	O
young	O
bloggers	O
who	O
desperately	O
wanted	O
a	O
PSP	B-Operating_System
.	O
</s>
