<s>
Android	B-Application
Cupcake	I-Application
is	O
the	O
third	O
version	O
of	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
,	O
developed	O
by	O
Google	B-Application
,	O
being	O
the	O
successor	O
to	O
Android	B-Application
1.1	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
April	O
27	O
,	O
2009	O
and	O
succeeded	O
by	O
Android	B-Application
Donut	I-Application
on	O
September	O
15	O
,	O
2009	O
.	O
</s>
<s>
Android	B-Application
Cupcake	I-Application
introduces	O
a	O
new	O
virtual	B-Device
keyboard	I-Device
,	O
marking	O
a	O
departure	O
from	O
the	O
physical	O
keyboard	O
present	O
on	O
the	O
HTC	B-Application
Dream	I-Application
and	O
support	O
for	O
stereo	O
Bluetooth	B-Protocol
.	O
</s>
<s>
Cupcake	B-Application
improved	O
features	O
to	O
its	O
in-built	O
apps	O
;	O
videos	O
can	O
be	O
directly	O
uploaded	O
to	O
YouTube	B-General_Concept
,	O
as	O
can	O
photos	O
to	O
Picasa	B-Application
,	O
the	O
Gmail	B-Application
app	O
supports	O
batch	O
actions	O
,	O
and	O
the	O
web	O
browser	O
was	O
updated	O
to	O
include	O
a	O
new	O
JavaScript	O
engine	O
and	O
copy	B-General_Concept
and	I-General_Concept
pasting	I-General_Concept
.	O
</s>
<s>
Android	B-Application
Cupcake	I-Application
was	O
the	O
first	O
major	O
release	O
of	O
Android	B-Application
to	O
use	O
a	O
confectionary-themed	O
naming	O
scheme	O
,	O
a	O
scheme	O
that	O
continued	O
until	O
the	O
release	O
of	O
Android	B-Application
10	I-Application
in	O
2019	O
.	O
</s>
<s>
By	O
July	O
2010	O
,	O
Android	B-Application
Cupcake	I-Application
constituted	O
less	O
than	O
a	O
quarter	O
of	O
active	O
devices	O
running	O
Android	B-Application
.	O
</s>
<s>
User	O
adoption	O
of	O
Android	B-Application
Cupcake	I-Application
began	O
to	O
decrease	O
in	O
the	O
following	O
months	O
,	O
with	O
4.7	O
%	O
of	O
devices	O
using	O
Android	B-Application
Cupcake	I-Application
by	O
January	O
2011	O
.	O
</s>
<s>
On	O
June	O
30	O
,	O
2017	O
,	O
Google	B-Application
ceased	O
support	O
for	O
Android	B-Application
Market	I-Application
on	O
Cupcake	B-Application
.	O
</s>
<s>
In	O
December	O
2008	O
,	O
the	O
Android	B-Application
source	O
was	O
updated	O
,	O
making	O
the	O
"	O
cupcake	B-Application
"	O
branch	B-General_Concept
public	O
.	O
</s>
<s>
The	O
branch	B-General_Concept
included	O
support	O
for	O
stereo	O
Bluetooth	B-Protocol
and	O
fixed	O
various	O
issues	O
with	O
Android	B-Application
's	O
email	O
client	O
.	O
</s>
<s>
Around	O
this	O
time	O
,	O
reports	O
emerged	O
that	O
the	O
HTC	B-Application
Dream	I-Application
would	O
receive	O
an	O
update	O
for	O
Android	B-Application
Cupcake	I-Application
.	O
</s>
<s>
The	O
cupcake	B-Application
branch	B-General_Concept
was	O
continuously	O
updated	O
in	O
the	O
months	O
following	O
its	O
release	O
,	O
with	O
an	O
on-screen	B-Device
keyboard	I-Device
and	O
notepad	O
app	O
being	O
added	O
in	O
January	O
2009	O
.	O
</s>
<s>
The	O
HTC	B-Application
Magic	I-Application
was	O
unveiled	O
in	O
February	O
as	O
the	O
first	O
device	O
to	O
launch	O
with	O
Cupcake	B-Application
,	O
notably	O
lacking	O
a	O
physical	O
keyboard	O
.	O
</s>
<s>
Android	B-Application
Cupcake	I-Application
was	O
officially	O
released	O
on	O
April	O
27	O
,	O
2009	O
.	O
</s>
<s>
In	O
the	O
days	O
following	O
Cupcake	B-Application
's	O
release	O
,	O
select	O
HTC	B-Application
Dreams	I-Application
began	O
receiving	O
an	O
over-the-air	O
update	O
for	O
Android	B-Application
Cupcake	I-Application
.	O
</s>
<s>
Stereo	O
Bluetooth	B-Protocol
was	O
added	O
,	O
and	O
Bluetooth	B-Protocol
support	O
for	O
in-car	O
kits	O
was	O
fixed	O
.	O
</s>
<s>
Auto-pairing	O
was	O
added	O
in	O
Android	B-Application
Cupcake	I-Application
.	O
</s>
<s>
The	O
Advanced	O
Audio	O
Distribution	O
and	O
Audio/Video	O
Remote	O
Control	O
Bluetooth	B-General_Concept
profiles	I-General_Concept
were	O
also	O
added	O
.	O
</s>
<s>
A	O
virtual	B-Device
keyboard	I-Device
was	O
added	O
,	O
similar	O
to	O
the	O
iPhone	B-Device
.	O
</s>
<s>
The	O
virtual	B-Device
keyboard	I-Device
feature	O
is	O
necessary	O
for	O
devices	O
lacking	O
a	O
physical	O
keyboard	O
,	O
such	O
as	O
the	O
HTC	B-Application
Magic	I-Application
.	O
</s>
<s>
The	O
virtual	B-Device
keyboard	I-Device
supports	O
autocorrect	B-Protocol
,	O
predictive	B-General_Concept
text	I-General_Concept
,	O
custom	O
dictionaries	O
,	O
and	O
third-party	O
keyboard	O
layouts	O
.	O
</s>
<s>
Slight	O
adjustments	O
to	O
Android	B-Application
Cupcake	I-Application
's	O
user	O
interface	O
were	O
made	O
,	O
including	O
the	O
inclusion	O
of	O
transparency	O
.	O
</s>
<s>
Other	O
features	O
added	O
in	O
Android	B-Application
Cupcake	I-Application
include	O
the	O
saving	O
of	O
MMS	O
attachments	O
,	O
support	O
for	O
pausing	O
and	O
resuming	O
of	O
downloads	O
,	O
support	O
for	O
MPEG-4	B-Algorithm
and	O
3GP	O
videos	O
,	O
and	O
SD	B-Device
card	I-Device
filesystem	O
checking	O
.	O
</s>
<s>
The	O
underlying	O
kernel	B-Operating_System
of	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
,	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
was	O
updated	O
to	O
2.6.27	O
.	O
</s>
<s>
Browsing	O
categories	O
and	O
filters	O
were	O
added	O
to	O
Android	B-Application
Market	I-Application
,	O
Android	B-Application
Cupcake	I-Application
's	O
app	O
store	O
.	O
</s>
<s>
Users	O
can	O
upload	O
videos	O
from	O
the	O
camera	O
directly	O
to	O
YouTube	B-General_Concept
.	I-General_Concept
</s>
<s>
Photos	O
can	O
also	O
be	O
directly	O
uploaded	O
to	O
Picasa	B-Application
.	O
</s>
<s>
Google	B-Application
Talk	I-Application
integration	O
was	O
added	O
to	O
the	O
contacts	O
app	O
.	O
</s>
<s>
The	O
Gmail	B-Application
app	O
was	O
updated	O
to	O
allow	O
batch	O
operations	O
,	O
such	O
as	O
deleting	O
or	O
archiving	O
multiple	O
emails	O
at	O
once	O
.	O
</s>
<s>
Android	B-Application
Cupcake	I-Application
's	O
web	O
browser	O
uses	O
the	O
Squirrelfish	B-Language
JavaScript	O
engine	O
,	O
and	O
supports	O
searching	O
within	O
a	O
page	O
and	O
copy	B-General_Concept
and	I-General_Concept
pasting	I-General_Concept
.	O
</s>
<s>
Android	B-Application
Cupcake	I-Application
provides	O
APIs	B-General_Concept
for	O
developers	O
to	O
use	O
.	O
</s>
<s>
Between	O
Android	B-Application
1.1	O
and	O
Cupcake	B-Application
,	O
there	O
were	O
over	O
1,000	O
changes	O
to	O
the	O
Android	B-Application
API	B-General_Concept
between	O
Android	B-Application
1.1	O
and	O
Cupcake	B-Application
.	O
</s>
<s>
Use	O
APIs	B-General_Concept
for	O
recording	O
and	O
playing	O
back	O
audio	O
and	O
video	O
.	O
</s>
<s>
Android	B-Application
Cupcake	I-Application
also	O
added	O
support	O
for	O
the	O
OpenGL	B-Application
graphics	O
API	B-General_Concept
.	O
</s>
