<s>
The	O
iCade	B-Application
is	O
an	O
accessory	B-Device
for	O
the	O
Apple	B-Device
iPad	I-Device
line	O
of	O
devices	O
which	O
functions	O
as	O
a	O
miniaturised	O
,	O
portable	O
arcade	O
cabinet	O
,	O
including	O
a	O
physical	O
joystick	B-Device
and	O
buttons	O
.	O
</s>
<s>
The	O
iPad	B-Device
is	O
inserted	O
into	O
the	O
iCade	B-Application
and	O
connects	O
to	O
the	O
device	O
using	O
Bluetooth	B-Protocol
,	O
allowing	O
it	O
to	O
be	O
used	O
as	O
an	O
arcade-style	O
controller	O
for	O
compatible	O
games	O
.	O
</s>
<s>
The	O
iCade	B-Application
's	O
input	O
devices	O
include	O
an	O
8-way	O
ball-top	O
joystick	B-Device
and	O
eight	O
digital	O
buttons	O
.	O
</s>
<s>
When	O
placed	O
inside	O
the	O
iCade	B-Application
,	O
the	O
iPad	B-Device
is	O
positioned	O
vertically	O
,	O
while	O
a	O
groove	O
behind	O
the	O
inputs	O
accommodates	O
landscape-mode	O
play	O
.	O
</s>
<s>
On	O
the	O
front	O
of	O
the	O
device	O
is	O
a	O
"	O
coin	O
slot	O
"	O
,	O
which	O
lights	O
up	O
to	O
show	O
that	O
the	O
iCade	B-Application
is	O
powered	O
on	O
,	O
and	O
flashes	O
when	O
its	O
batteries	O
are	O
running	O
low	O
.	O
</s>
<s>
Power	O
can	O
be	O
sourced	O
from	O
either	O
two	O
AA	B-Algorithm
batteries	I-Algorithm
or	O
an	O
AC	O
adapter	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
run	O
an	O
iPad	B-Device
docking	O
cable	O
through	O
the	O
underside	O
of	O
the	O
iCade	B-Application
,	O
in	O
order	O
to	O
charge	O
the	O
iPad	B-Device
during	O
play	O
.	O
</s>
<s>
Internally	O
,	O
the	O
iCade	B-Application
is	O
essentially	O
a	O
Bluetooth	B-Protocol
keyboardthe	O
joystick	B-Device
and	O
buttons	O
are	O
simply	O
mapped	O
to	O
24	O
different	O
standard	O
keys	O
.	O
</s>
<s>
Since	O
the	O
iPad	B-Device
natively	O
supports	O
Bluetooth	B-Protocol
keyboards	B-Device
,	O
it	O
is	O
able	O
to	O
receive	O
inputs	O
from	O
the	O
iCade	B-Application
without	O
any	O
requirement	O
for	O
special	O
software	O
beyond	O
games	O
designed	O
to	O
respond	O
to	O
the	O
inputs	O
that	O
the	O
iCade	B-Application
sends	O
.	O
</s>
<s>
This	O
system	O
also	O
allows	O
other	O
Bluetooth	B-Protocol
input	O
devices	O
,	O
such	O
as	O
the	O
iControlPad	B-Device
,	O
to	O
use	O
the	O
same	O
protocol	O
in	O
order	O
to	O
control	O
applications	O
designed	O
for	O
iCade	B-Application
.	O
</s>
<s>
The	O
iCade	B-Application
was	O
originally	O
announced	O
by	O
ThinkGeek	O
on	O
April	O
1	O
,	O
2010	O
as	O
an	O
April	O
Fools	O
 '	O
Day	O
prank	O
,	O
however	O
,	O
it	O
was	O
widely	O
covered	O
in	O
electronics	O
media	O
as	O
a	O
potential	O
product	O
,	O
and	O
ThinkGeek	O
responded	O
to	O
this	O
speculation	O
,	O
saying	O
a	O
real	O
iCade	B-Application
was	O
"	O
a	O
possibility	O
"	O
.	O
</s>
<s>
The	O
April	O
Fools	O
 '	O
iCade	B-Application
was	O
stated	O
to	O
connect	O
via	O
the	O
standard	O
Apple	O
dock	O
connector	O
,	O
which	O
was	O
noted	O
as	O
a	O
potential	O
blocker	O
for	O
release	O
due	O
to	O
licensing	O
fees	O
and	O
restrictions	O
placed	O
on	O
dock	O
connections	O
by	O
Apple	O
.	O
</s>
<s>
Shortly	O
after	O
the	O
revelation	O
of	O
the	O
iCade	B-Application
gag	O
product	O
,	O
ThinkGeek	O
were	O
contacted	O
privately	O
by	O
ION	O
Audio	O
,	O
with	O
a	O
proposal	O
to	O
develop	O
the	O
concept	O
.	O
</s>
<s>
Thus	O
,	O
a	O
working	O
iCade	B-Application
,	O
produced	O
by	O
ION	O
Audio	O
,	O
was	O
demonstrated	O
running	O
1979	O
arcade	O
title	O
Asteroids	B-Application
at	O
the	O
Consumer	O
Electronics	O
Show	O
in	O
January	O
2011	O
,	O
with	O
a	O
projected	O
release	O
in	O
"	O
late	O
spring	O
"	O
.	O
</s>
<s>
This	O
version	O
replaced	O
the	O
dock	O
connection	O
with	O
a	O
wireless	O
Bluetooth	B-Protocol
one	O
,	O
sidestepping	O
potential	O
issues	O
,	O
and	O
the	O
completed	O
device	O
was	O
released	O
on	O
ThinkGeek	O
on	O
June	O
27	O
,	O
2011	O
.	O
</s>
<s>
ION	O
Audio	O
provides	O
a	O
document	O
which	O
covers	O
the	O
information	O
necessary	O
to	O
add	O
iCade	B-Application
support	O
to	O
applications	O
.	O
</s>
<s>
This	O
document	O
also	O
includes	O
guidelines	O
for	O
acceptance	O
from	O
Apple	O
,	O
such	O
as	O
avoiding	O
references	O
to	O
the	O
"	O
iCade	B-Application
"	O
name	O
.	O
</s>
<s>
In	O
addition	O
,	O
iOS	B-Operating_System
app	O
developer	O
Stuart	O
Carnie	O
of	O
Manomio	O
has	O
freely	O
released	O
an	O
unofficial	O
SDK	B-Application
,	O
which	O
application	O
authors	O
can	O
use	O
to	O
speed	O
up	O
implementation	O
of	O
iCade	B-Application
controls	O
.	O
</s>
<s>
Outside	O
of	O
iOS	B-Operating_System
development	O
,	O
a	O
library	O
has	O
been	O
made	O
available	O
for	O
adding	O
iCade	B-Application
support	O
to	O
Adobe	B-Operating_System
Flash	I-Operating_System
games	O
.	O
</s>
<s>
As	O
the	O
iCade	B-Application
presents	O
itself	O
as	O
a	O
standard	O
Bluetooth	B-Protocol
HID	O
keyboard	B-Device
,	O
a	O
numeric	O
passcode	O
must	O
be	O
entered	O
via	O
its	O
buttons	O
and	O
control	B-Device
stick	I-Device
when	O
pairing	O
.	O
</s>
<s>
While	O
the	O
mapping	O
used	O
for	O
this	O
code	O
entry	O
is	O
quite	O
straightforward	O
,	O
it	O
is	O
not	O
readily	O
apparent	O
on	O
the	O
iCade	B-Application
itself	O
.	O
</s>
<s>
To	O
put	O
the	O
iCade	B-Application
into	O
pairing	O
mode	O
,	O
hold	O
down	O
the	O
bottom	O
4	O
buttons	O
and	O
the	O
top	O
white	O
button	O
(	O
6	O
,	O
8	O
,	O
0	O
,	O
and	O
both	O
Enter	O
buttons	O
)	O
simultaneously	O
for	O
4	O
seconds	O
,	O
then	O
release	O
them	O
.	O
</s>
<s>
TitleDeveloperRelease	O
dateNotesDevils	O
Peak	O
Rally	O
Game-Fun	O
inc	O
.	O
November	O
2014	O
Supported	O
since	O
version	O
1.8.Expander	O
All	O
Civilized	O
Planets	O
July	O
2013	O
Supported	O
since	O
launchB-Squadron	O
:	O
Battle	O
for	O
Earth	O
R2MobileStudio	O
January	O
2013	O
Supported	O
since	O
version	O
1.6.Akane	O
the	O
Kunoichi	O
Haruneko	O
June	O
2012	O
Supported	O
since	O
version	O
1.0.Super	O
Lemonade	O
Factory	O
Initials	O
March	O
2012	O
Supported	O
since	O
version	O
2.35.RPG	O
Quest	O
-	O
Minimæ	O
P1XL	O
Games	O
Nov	O
2009	O
Supported	O
since	O
version	O
1.4.Super	O
Crate	O
Box	O
Vlambeer	O
Dec	O
2011	O
Supported	O
since	O
version	O
1.0.DynaStunts	O
DanLabGames	O
Nov	O
2011	O
Supported	O
since	O
version	O
1.0.Minotaur	O
Rescue	O
Llamasoft	O
5	O
Jan	O
2011	O
Supported	O
since	O
version	O
1.02.Minotron	O
:	O
2112	O
Llamasoft	O
2	O
Mar	O
2011	O
Supported	O
since	O
version	O
1.01.Atari	O
'	O
s	O
Greatest	O
Hits	O
Atari	O
06	O
Apr	O
2011	O
Supported	O
since	O
launch.Compression	O
HD	O
Little	O
White	O
Bear	O
Studios	O
17	O
May	O
2010	O
Supported	O
since	O
version	O
1.3.HungryMaster	O
xionchannel	O
02	O
Jul	O
2011	O
Supported	O
since	O
version	O
1.12.IronStar	O
Arena	O
Appracatappra	O
6	O
May	O
2011	O
Supported	O
since	O
version	O
02.00.Mos	O
Speedrun	O
Physmo	O
06	O
Apr	O
2011	O
Supported	O
since	O
version	O
1.4.GhostRacer	O
Physmo	O
29th	O
Nov	O
2012	O
Supported	O
since	O
version	O
1.0.Shuttle	O
Scuttle	O
Embraceware	O
17	O
May	O
2012	O
Supported	O
since	O
version	O
1.1.Sideways	O
Racing	O
Bjango	O
23	O
May	O
2011	O
Supported	O
since	O
version	O
1.0.2.Velocispider	O
Retro	O
Dreamer	O
31	O
May	O
2011	O
Supported	O
since	O
version	O
1.2.Warblade	O
HD	O
EMV	O
Software	O
AS	O
11	O
Aug	O
2011	O
Supported	O
since	O
version	O
1.46.2.Match	O
Panic	O
Chaotic	O
Box	O
09	O
Aug	O
2011	O
Supported	O
since	O
version	O
1.1.GoatUp	O
Llamasoft	O
13	O
Sept	O
2011	O
Supported	O
since	O
version	O
1.01.Phoenix	O
HD	O
Firi	O
Games	O
12	O
Aug	O
2011	O
Supported	O
since	O
version	O
1.1.1.Box	O
Cat	O
Rusty	O
Moyher	O
23	O
Nov	O
2011	O
Supported	O
since	O
launch.Treasure	O
Runner	O
Gabor	O
Szekely	O
29	O
Nov	O
2013	O
Supported	O
since	O
version	O
1.1.Lep	O
'	O
s	O
World	O
Run	O
nerByte	O
GmbH	O
15	O
Aug	O
2014	O
Supported	O
since	O
version	O
1.1.1.Wacoon	O
Jump	O
!	O
</s>
<s>
PAC-MAN	O
for	O
iPAD	B-Device
Lite	O
BANDAI	O
NAMCO	O
Entertainment	O
America	O
Inc	O
.	O
06	O
Apr	O
2011	O
Supported	O
since	O
version	O
4.0.1Space	O
Inversion	O
FREE	O
merlyn	O
lear	O
24	O
Nov	O
2010	O
Supported	O
since	O
version	O
?	O
</s>
<s>
TitleDeveloperRelease	O
dateNotesCommodore	O
64	O
Manomio	O
05	O
Sep	O
2009	O
Support	O
expected	O
in	O
next	O
update.iAmiga	O
Manomio	O
TBA	O
Support	O
expected	O
at	O
launch.No	O
Gravity	O
Realtech	B-Application
VR	I-Application
24	O
Mar	O
2011	O
Support	O
available	O
for	O
HP	O
webOS	O
,	O
iOS	B-Operating_System
and	O
Android.Super	O
Ox	O
Wars	O
Llamasoft	O
July	O
2012	O
Supported	O
at	O
launch	O
.	O
</s>
<s>
The	O
reception	O
to	O
the	O
iCade	B-Application
itself	O
has	O
been	O
mostly	O
positive	O
.	O
</s>
<s>
IGN	O
referred	O
to	O
the	O
iCade	B-Application
as	O
"	O
surprisingly	O
functional	O
"	O
,	O
saying	O
it	O
was	O
"	O
certain	O
to	O
please	O
"	O
its	O
target	O
market	O
.	O
</s>
<s>
TouchArcade	O
felt	O
it	O
was	O
"	O
an	O
absolute	O
must-have	O
iPad	B-Device
accessory	B-Device
for	O
the	O
serious	O
retro	O
gamer.	O
"	O
</s>
<s>
In	O
Engadget	B-Application
's	O
coverage	O
,	O
the	O
accessory	B-Device
was	O
described	O
as	O
"	O
well	O
constructed	O
"	O
and	O
"	O
an	O
awesome	O
addition	O
to	O
your	O
gaming	O
collection.	O
"	O
</s>
<s>
Feelings	O
about	O
the	O
iCade	B-Application
's	O
controls	O
have	O
been	O
mixed	O
to	O
positive	O
.	O
</s>
<s>
IGN	O
described	O
the	O
joystick	B-Device
and	O
buttons	O
"	O
responsive	O
"	O
,	O
however	O
,	O
noted	O
the	O
input	O
configuration	O
was	O
"	O
a	O
little	O
cramped	O
,	O
but	O
not	O
unbearably	O
so.	O
"	O
</s>
<s>
Ars	O
Technica	O
's	O
reviewer	O
,	O
Ben	O
Kuchera	O
,	O
felt	O
the	O
joystick	B-Device
was	O
"	O
a	O
little	O
looser	O
than	O
 [ he ] 	O
would	O
prefer	O
"	O
and	O
the	O
buttons	O
"require[d]	O
a	O
heavy	O
finger	O
to	O
push	O
"	O
,	O
but	O
said	O
the	O
controls	O
"	O
held	O
up	O
under	O
 [ his ] 	O
heavy	O
hand	O
"	O
.	O
</s>
<s>
TouchArcade	O
praised	O
the	O
buttons	O
,	O
finding	O
them	O
"	O
exactly	O
like	O
those	O
that	O
you	O
'd	O
find	O
on	O
an	O
old	O
Defender	B-Application
cabinet.	O
"	O
</s>
<s>
The	O
widest	O
criticism	O
for	O
the	O
device	O
has	O
been	O
the	O
small	O
library	O
of	O
compatible	O
software	O
,	O
with	O
many	O
early	O
reviews	O
drawing	O
attention	O
to	O
the	O
fact	O
that	O
only	O
one	O
iCade-compatible	O
title	O
,	O
Atari	O
's	O
Greatest	O
Hits	O
,	O
was	O
available	O
at	O
launch	O
.	O
</s>
<s>
IGN	O
opined	O
that	O
"	O
you	O
'd	O
have	O
to	O
be	O
a	O
pretty	O
passionate	O
Lunar	B-Application
Lander	I-Application
,	O
Centipede	B-Application
,	O
or	O
Missile	B-Application
Command	I-Application
fan	O
to	O
not	O
feel	O
disappointed	O
that	O
there	O
is	O
n't	O
more	O
to	O
play	O
on	O
your	O
new	O
$99	O
iCade.	O
"	O
</s>
<s>
Following	O
the	O
iCade	B-Application
Atari	O
and	O
Taito	O
has	O
released	O
their	O
respective	O
versions	O
:	O
the	O
"	O
Atari	O
Arcade	O
"	O
and	O
the	O
"	O
Invadercade	O
"	O
.	O
</s>
<s>
The	O
Atari	O
Arcade	O
connects	O
through	O
a	O
standard	O
dock	O
connector	O
instead	O
of	O
through	O
Bluetooth	B-Protocol
.	O
</s>
<s>
Taito	O
's	O
Space	O
Invader	O
themed	O
Invadercade	O
functions	O
as	O
a	O
charger	O
while	O
the	O
iPad	B-Device
is	O
plugged	O
into	O
it	O
.	O
</s>
<s>
Compatible	O
with	O
both	O
the	O
iPad	B-Device
and	O
iPad	B-Device
2	O
,	O
the	O
Invadercade	O
similarly	O
requires	O
the	O
Taito	O
's	O
Space	O
Invaders	O
HD	O
app	O
to	O
run	O
.	O
</s>
<s>
Icade	B-Application
Jr	O
is	O
a	O
smaller	O
version	O
of	O
the	O
iCade	B-Application
,	O
apps	O
currently	O
are	O
somewhat	O
fully	O
supported	O
yet	O
(	O
see	O
Ion	O
's	O
compatibility	O
list	O
)	O
.	O
</s>
