<s>
Starling	O
is	O
an	O
open	B-Application
source	I-Application
game	O
framework	B-Architecture
used	O
to	O
create	O
2D	O
games	O
that	O
run	O
both	O
on	O
mobile	O
and	O
desktop	O
platforms	O
.	O
</s>
<s>
It	O
recreates	O
the	O
traditional	O
Flash	B-Operating_System
display	O
list	O
architecture	O
on	O
top	O
of	O
accelerated	B-Architecture
graphics	I-Architecture
hardware	I-Architecture
.	O
</s>
<s>
Several	O
commercial	O
games	O
have	O
been	O
built	O
with	O
Starling	O
,	O
including	O
Angry	B-Application
Birds	I-Application
Friends	I-Application
and	O
Incredipede	B-Operating_System
.	O
</s>
<s>
Starling	O
was	O
initiated	O
in	O
2011	O
by	O
Adobe	O
shortly	O
after	O
introducing	O
the	O
Stage3D	B-Operating_System
API	O
in	O
their	O
AIR	B-Operating_System
and	O
Flash	B-Operating_System
run-time	O
systems	O
.	O
</s>
<s>
Stage3D	B-Operating_System
allows	O
utilizing	O
the	O
GPU	B-Architecture
inside	O
the	O
Flash	B-Operating_System
Player	I-Operating_System
via	O
a	O
low-level	O
API	O
;	O
Starling	O
should	O
simplify	O
the	O
transition	O
for	O
developers	O
by	O
providing	O
an	O
accompanying	O
high-level	O
API	O
built	O
on	O
top	O
of	O
Stage3D	B-Operating_System
.	O
</s>
<s>
The	O
framework	B-Architecture
has	O
seen	O
rapid	O
adoption	O
over	O
the	O
years	O
,	O
being	O
utilized	O
in	O
many	O
games	O
from	O
both	O
independent	O
and	O
commercial	O
developers	O
.	O
</s>
<s>
Since	O
Starling	O
's	O
introduction	O
,	O
several	O
Open	B-Application
Source	I-Application
libraries	O
were	O
published	O
by	O
3rd	O
party	O
developers	O
that	O
depend	O
on	O
Starling	O
and	O
extend	O
its	O
functionality	O
.	O
</s>
<s>
is	O
a	O
2D	O
skeletal	O
animation	O
solution	O
,	O
available	O
as	O
a	O
plugin	O
for	O
Flash	B-Operating_System
,	O
exporting	O
animations	O
for	O
Starling	O
.	O
</s>
<s>
is	O
designed	O
for	O
developing	O
2D	O
Flash	B-Operating_System
games	O
,	O
inspired	O
by	O
the	O
popular	O
framework	B-Architecture
.	O
</s>
<s>
is	O
an	O
Open	B-Application
Source	I-Application
Game	O
Engine	O
and	O
visual	O
WYSIWYG	O
tool	O
for	O
creating	O
professional	O
cross-platform	O
2D	O
games	O
.	O
</s>
