<s>
,	O
is	O
a	O
tactical	O
role-playing	O
video	O
game	O
released	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
by	O
Banpresto	O
.	O
</s>
<s>
First	O
introduced	O
in	O
Super	B-Application
Robot	I-Application
Wars	I-Application
MX	I-Application
,	O
this	O
system	O
allows	O
players	O
to	O
increase	O
the	O
number	O
of	O
possible	O
upgrade	O
steps	O
for	O
chosen	O
units	O
and	O
increases	O
the	O
amount	O
of	O
experience	O
points	O
and	O
credits	O
one	O
can	O
earn	O
.	O
</s>
<s>
First	O
introduced	O
in	O
Super	B-Application
Robot	I-Application
Wars	I-Application
64	I-Application
,	O
units	O
earn	O
better	O
dodging	O
and	O
attacking	O
stats	O
by	O
standing	O
adjacent	O
to	O
a	O
character	O
they	O
are	O
emotionally	O
attached	O
with	O
,	O
usually	O
from	O
the	O
same	O
series	O
.	O
</s>
<s>
First	O
introduced	O
in	O
Super	B-Application
Robot	I-Application
Taisen	I-Application
:	I-Application
Original	I-Application
Generation	I-Application
2	I-Application
and	O
refined	O
in	O
the	O
3rd	O
Super	O
Robot	O
Wars	O
Alpha	O
,	O
players	O
can	O
switch	O
a	O
playable	O
character	O
's	O
theme	O
song	O
with	O
another	O
,	O
allowing	O
almost	O
any	O
song	O
to	O
play	O
for	O
a	O
given	O
unit	O
.	O
</s>
