<s>
The	O
is	O
a	O
second-generation	B-Application
handheld	B-Application
game	I-Application
console	I-Application
released	O
by	O
Epoch	O
Co	O
.	O
in	O
Japan	O
in	O
1984	O
for	O
12,800	O
Japanese	O
yen	O
.	O
</s>
<s>
It	O
is	O
also	O
known	O
as	O
Pokekon	O
and	O
was	O
one	O
of	O
the	O
very	O
few	O
truly	O
handheld	B-Application
systems	O
to	O
be	O
released	O
in	O
the	O
early	O
1980s	O
,	O
preceding	O
the	O
Game	B-Device
Boy	I-Device
by	O
5	O
years	O
.	O
</s>
<s>
A	O
puzzle	O
game	O
and	O
a	O
paint	B-Application
program	I-Application
were	O
built	O
into	O
the	O
system	O
.	O
</s>
<s>
It	O
was	O
powered	O
by	O
4	O
AA	B-Algorithm
batteries	I-Algorithm
,	O
and	O
screen	O
's	O
contrast	O
could	O
be	O
adjusted	O
by	O
the	O
user	O
.	O
</s>
<s>
Input	O
and	O
output	O
controls	O
included	O
four	O
buttons	O
,	O
an	O
8-way	O
joypad	B-Device
,	O
a	O
contrast	O
dial	O
,	O
and	O
a	O
sound	O
on-off	O
switch	O
.	O
</s>
<s>
Because	O
the	O
Game	B-Device
Pocket	I-Device
Computer	I-Device
failed	O
in	O
Japan	O
,	O
and	O
was	O
never	O
released	O
internationally	O
,	O
the	O
device	O
is	O
extremely	O
rare	O
,	O
and	O
units	O
on	O
eBay	B-Application
can	O
go	O
for	O
hundreds	O
of	O
US	O
dollars	O
.	O
</s>
<s>
The	O
cartridge	B-Protocol
included	O
with	O
the	O
system	O
only	O
serves	O
as	O
instructions	O
and	O
to	O
occupy	O
the	O
cartridge	B-Protocol
slot	O
,	O
containing	O
no	O
game	O
data	O
,	O
as	O
it	O
does	O
n't	O
need	O
to	O
be	O
inserted	O
into	O
the	O
system	O
to	O
play	O
the	O
games	O
;	O
</s>
<s>
,	O
a	O
Raster	B-Application
graphics	I-Application
editor	I-Application
paint	B-Application
program	I-Application
.	O
</s>
<s>
The	O
other	O
5	O
were	O
released	O
separately	O
for	O
2,980	O
Japanese	O
yen	O
each	O
,	O
excluding	O
Pocket	O
Computer	B-Application
Mahjong	I-Application
which	O
was	O
3,800	O
yen	O
;	O
</s>
