<s>
is	O
an	O
iPod	B-Device
tactical	O
role-playing	O
game	O
developed	O
and	O
published	O
by	O
Square	O
Enix	O
worldwide	O
.	O
</s>
<s>
A	O
new	O
version	O
entitled	O
Song	B-Application
Summoner	I-Application
:	I-Application
The	I-Application
Unsung	I-Application
Heroes	I-Application
–	O
Encore	O
was	O
announced	O
for	O
the	O
iOS	B-Application
at	O
the	O
2009	O
Tokyo	O
Game	O
Show	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
the	O
App	B-Application
Store	I-Application
on	O
December	O
2	O
,	O
2009	O
.	O
</s>
<s>
On	O
May	O
13	O
,	O
2016	O
,	O
Song	B-Application
Summoner	I-Application
was	O
removed	O
from	O
the	O
App	B-Application
Store	I-Application
,	O
and	O
can	O
no	O
longer	O
be	O
purchased	O
.	O
</s>
<s>
The	O
app	O
description	O
had	O
been	O
previously	O
updated	O
explaining	O
serious	O
compatibility	O
issues	O
with	O
iOS	B-Application
8	O
and	O
up	O
.	O
</s>
<s>
The	O
game	O
enables	O
the	O
player	O
to	O
generate	O
unique	O
characters	O
called	O
Tune	O
Troopers	O
by	O
analyzing	O
the	O
players	O
iPod	B-Device
or	O
iPhone	B-Device
music	O
library	O
The	O
game	O
features	O
a	O
"	O
listening	O
point	O
system	O
"	O
where	O
listening	O
to	O
songs	O
used	O
in	O
the	O
creation	O
of	O
a	O
game	O
character	O
causes	O
the	O
character	O
to	O
grow	O
in	O
strength	O
.	O
</s>
<s>
The	O
Soul	O
Master	O
then	O
explains	O
to	O
Ziggy	O
that	O
he	O
is	O
a	O
conductor	O
,	O
and	O
can	O
summon	O
and	O
control	O
an	O
army	O
through	O
the	O
music	O
that	O
is	O
on	O
the	O
user	O
's	O
iPod	B-Device
.	O
</s>
<s>
The	O
iPhone	B-Device
edition	O
of	O
‘’	O
Song	B-Application
Summoners	I-Application
"	O
doubled	O
the	O
size	O
of	O
the	O
story	O
mode	O
and	O
fifty	O
different	O
unlockable	O
Tune	O
Troops	O
.	O
</s>
<s>
Ars	O
Technica	O
reviewed	O
the	B-Device
iPod	I-Device
release	O
,	O
giving	O
it	O
a	O
"	O
buy	O
"	O
recommendation	O
for	O
game	O
players	O
who	O
like	O
tactical	O
strategy	O
games	O
such	O
as	O
Final	B-Application
Fantasy	I-Application
Tactics	I-Application
.	O
</s>
<s>
RPGfan	O
did	O
not	O
recommend	O
the	O
iPhone	B-Device
version	O
of	O
the	O
game	O
,	O
calling	O
the	O
story	O
"	O
childish	O
"	O
,	O
the	O
graphics	O
typical	O
of	O
other	O
games	O
on	O
iOS	B-Application
,	O
and	O
controls	O
reminiscent	O
of	O
its	O
original	O
release	O
on	O
Apple	O
's	O
iPod	B-Device
.	O
</s>
