<s>
The	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
developed	O
by	O
Bandai	O
and	O
released	O
in	O
Japan	O
on	O
1984	O
and	O
later	O
in	O
Europe	O
in	O
1986	O
during	O
the	O
second	B-Application
generation	I-Application
of	I-Application
video	I-Application
game	I-Application
consoles	I-Application
.	O
</s>
<s>
Each	O
game	B-Protocol
cartridge	I-Protocol
included	O
an	O
LCD	B-Device
.	O
</s>
<s>
The	O
system	O
used	O
one	O
to	O
two	O
LR44	B-Algorithm
button	B-Algorithm
cell	I-Algorithm
batteries	O
depending	O
on	O
the	O
model	O
.	O
</s>
