<s>
Async	B-Operating_System
Corp	I-Operating_System
.	I-Operating_System
is	O
an	O
iOS	B-Application
game	O
developed	O
by	O
American	O
studio	O
Powerhead	O
Games	O
and	O
released	O
on	O
June	O
28	O
,	O
2011	O
.	O
</s>
