<s>
Solar2D	B-Operating_System
(	O
formerly	O
Corona	B-Operating_System
SDK	I-Operating_System
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
,	O
cross-platform	B-Operating_System
software	I-Operating_System
development	B-Application
kit	I-Application
originally	O
developed	O
by	O
Corona	B-Operating_System
Labs	O
Inc	O
.	O
and	O
now	O
maintained	O
by	O
Vlad	O
Shcherban	O
.	O
</s>
<s>
Released	O
in	O
late	O
2009	O
,	O
it	O
allows	O
software	B-Application
programmers	I-Application
to	O
build	O
2D	O
mobile	B-Application
applications	I-Application
for	O
iOS	B-Application
,	O
Android	B-Application
,	O
and	O
Kindle	B-Application
,	O
desktop	B-Application
applications	I-Application
for	O
Windows	B-Application
,	O
Linux	B-Application
and	O
macOS	B-Application
,	O
and	O
connected	O
TV	O
applications	O
for	O
Apple	B-Device
TV	I-Device
,	O
Fire	B-Application
TV	I-Application
and	O
Android	B-Application
TV	I-Application
.	O
</s>
<s>
Solar2D	B-Operating_System
uses	O
integrated	O
Lua	B-Language
layered	O
on	O
top	O
of	O
C++	B-Language
/OpenGL	O
to	O
build	O
graphic	O
applications	O
.	O
</s>
<s>
The	O
software	O
has	O
two	O
operational	O
modes	O
:	O
the	O
Solar2D	B-Operating_System
Simulator	O
and	O
Solar2D	B-Operating_System
Native	O
.	O
</s>
<s>
With	O
the	O
Solar2D	B-Operating_System
Simulator	O
,	O
apps	O
are	O
built	O
directly	O
from	O
the	O
Solar2D	B-Operating_System
Simulator	O
.	O
</s>
<s>
Solar2D	B-Operating_System
Native	O
allows	O
you	O
to	O
integrate	O
your	O
Lua	B-Language
code	O
and	O
assets	O
within	O
an	O
Xcode	B-Operating_System
or	O
Android	B-Application
Studio	I-Application
project	O
to	O
build	O
your	O
app	O
and	O
include	O
native	O
features	O
.	O
</s>
<s>
Walter	O
Luh	O
and	O
Carlos	O
Icaza	O
started	O
Ansca	O
Mobile	O
,	O
later	O
renamed	O
Corona	B-Operating_System
Labs	O
,	O
after	O
departing	O
from	O
Adobe	O
in	O
2007	O
.	O
</s>
<s>
At	O
Adobe	O
,	O
Luh	O
was	O
the	O
lead	O
architect	O
working	O
on	O
the	O
Flash	B-Operating_System
Lite	I-Operating_System
team	O
and	O
Icaza	O
was	O
the	O
engineering	O
manager	O
responsible	O
for	O
mobile	O
Flash	O
authoring	O
.	O
</s>
<s>
In	O
June	O
2009	O
,	O
Ansca	O
released	O
the	O
first	O
Corona	B-Operating_System
SDK	I-Operating_System
beta	O
free	O
for	O
early	O
adopters	O
.	O
</s>
<s>
In	O
December	O
2009	O
,	O
Ansca	O
launched	O
Corona	B-Operating_System
SDK	I-Operating_System
1.0	O
for	O
iPhone	B-Device
.	O
</s>
<s>
The	O
following	O
February	O
,	O
the	O
Corona	B-Operating_System
SDK	I-Operating_System
1.1	O
was	O
released	O
with	O
additional	O
features	O
.	O
</s>
<s>
In	O
September	O
2010	O
,	O
Ansca	O
released	O
version	O
2.0	O
of	O
Corona	B-Operating_System
SDK	I-Operating_System
and	O
added	O
Corona	B-Operating_System
Game	O
Edition	O
.	O
</s>
<s>
Version	O
2.0	O
added	O
cross-platform	B-Operating_System
support	O
for	O
iPad	B-Device
and	O
Android	B-Application
,	O
while	O
Game	O
Edition	O
added	O
a	O
physics	O
engine	O
and	O
other	O
advanced	O
features	O
aimed	O
specifically	O
at	O
game	O
development	O
.	O
</s>
<s>
In	O
January	O
2011	O
,	O
Corona	B-Operating_System
SDK	I-Operating_System
was	O
released	O
for	O
Windows	B-Application
XP	I-Application
and	O
newer	O
,	O
giving	O
developers	B-Application
the	O
opportunity	O
to	O
build	O
Android	B-Application
applications	I-Application
on	O
PC	B-Device
.	O
</s>
<s>
Shortly	O
after	O
,	O
in	O
June	O
2012	O
,	O
Ansca	O
changed	O
its	O
name	O
to	O
Corona	B-Operating_System
Labs	O
.	O
</s>
<s>
In	O
August	O
2012	O
,	O
Corona	B-Operating_System
Labs	O
announced	O
Enterprise	O
Edition	O
,	O
which	O
added	O
native	O
bindings	O
for	O
Objective-C	O
.	O
</s>
<s>
In	O
March	O
2015	O
,	O
during	O
GDC	O
2015	O
announcement	O
was	O
made	O
that	O
Corona	B-Operating_System
SDK	I-Operating_System
is	O
completely	O
free	O
and	O
will	O
support	O
Windows	B-Application
and	O
Mac	B-Application
OS	I-Application
X	O
deployment	O
targets	O
.	O
</s>
<s>
In	O
November	O
2015	O
,	O
Corona	B-Operating_System
Labs	O
Inc	O
.	O
announced	O
support	O
for	O
tvOS	B-Operating_System
development	O
for	O
Apple	B-Device
TV	I-Device
.	O
</s>
<s>
In	O
March	O
2017	O
,	O
Corona	B-Operating_System
Labs	O
was	O
acquired	O
by	O
Appodeal	O
and	O
announced	O
that	O
the	O
Enterprise	O
version	O
of	O
Corona	B-Operating_System
would	O
also	O
become	O
free	O
.	O
</s>
<s>
In	O
June	O
2017	O
,	O
Corona	B-Operating_System
Labs	O
announced	O
that	O
Enterprise	O
was	O
renamed	O
to	O
Corona	B-Operating_System
Native	O
,	O
is	O
free	O
for	O
everyone	O
and	O
included	O
as	O
part	O
of	O
the	O
core	O
product.	O
"	O
</s>
<s>
In	O
January	O
2019	O
,	O
Corona	B-Operating_System
Labs	O
announced	O
that	O
Corona	B-Operating_System
2D	O
will	O
be	O
open	O
sourced	O
under	O
the	O
GNU	B-License
GPLv3	I-License
license	I-License
,	O
while	O
offering	O
the	O
option	O
of	O
a	O
commercial	B-License
license	I-License
upon	O
agreement	O
with	O
Corona	B-Operating_System
Labs	O
.	O
</s>
<s>
In	O
April	O
2020	O
,	O
the	O
engine	O
was	O
renamed	O
from	O
Corona	B-Operating_System
SDK	I-Operating_System
to	O
Solar2D	B-Operating_System
.	O
</s>
<s>
This	O
was	O
done	O
in	O
response	O
to	O
the	O
closure	O
of	O
Corona	B-Operating_System
Labs	O
,	O
as	O
well	O
as	O
the	O
COVID-19	O
pandemic	O
.	O
</s>
<s>
Corona	B-Operating_System
Labs	O
also	O
stopped	O
offering	O
commercial	O
licenses	O
and	O
changed	O
its	O
open	O
source	O
license	O
from	O
GPLv3	O
to	O
the	O
more	O
permissive	O
MIT	B-License
License	I-License
.	O
</s>
<s>
Solar2D	B-Operating_System
's	O
API	O
suite	O
features	O
API	O
calls	O
for	O
audio	O
and	O
graphics	O
,	O
cryptography	O
,	O
networking	O
and	O
device	O
information	O
such	O
as	O
accelerometer	O
information	O
,	O
GPS	O
,	O
and	O
user	O
input	O
as	O
well	O
as	O
widgets	O
,	O
particle	O
effects	O
,	O
and	O
more	O
.	O
</s>
