<s>
Doom	B-Application
II	I-Application
RPG	I-Application
is	O
a	O
first-person	O
shooter	O
role-playing	O
video	O
game	O
developed	O
and	O
published	O
by	O
id	O
Software	O
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
Doom	B-Language
RPG	I-Language
.	O
</s>
<s>
It	O
was	O
released	O
for	O
mobile	O
phones	O
on	O
November	O
23	O
,	O
2009	O
,	O
and	O
for	O
iPhones	B-Device
on	O
February	O
8	O
,	O
2010	O
.	O
</s>
<s>
It	O
uses	O
the	O
Wolfenstein	B-Application
RPG	I-Application
engine	O
and	O
was	O
developed	O
by	O
id	O
partners	O
Fountainhead	O
Entertainment	O
via	O
the	O
merger	O
id	O
Mobile	O
.	O
</s>
