<s>
Android	B-Application
Jelly	I-Application
Bean	I-Application
,	O
or	O
Android	B-Application
4.1	I-Application
is	O
the	O
codename	O
given	O
to	O
the	O
tenth	O
version	O
of	O
the	O
Android	B-Application
mobile	I-Application
operating	O
system	O
developed	O
by	O
Google	B-Application
,	O
spanning	O
three	O
major	O
point	O
releases	O
(	O
versions	O
4.1	O
through	O
4.3.1	O
)	O
.	O
</s>
<s>
Among	O
the	O
devices	O
that	O
run	O
Android	B-Application
4.1	I-Application
to	O
4.3	O
are	O
the	O
Nexus	B-Device
7	I-Device
(	O
2012	O
)	O
,	O
Nexus	B-Device
4	I-Device
,	O
Nexus	B-Device
10	I-Device
and	O
Nexus	B-Device
7	I-Device
(	O
2013	O
)	O
.	O
</s>
<s>
The	O
first	O
of	O
these	O
three	O
releases	O
,	O
4.1	O
,	O
was	O
unveiled	O
at	O
Google	B-Application
's	I-Application
I/O	I-Application
developer	O
conference	O
in	O
June	O
2012	O
.	O
</s>
<s>
Two	O
more	O
releases	O
were	O
made	O
under	O
the	O
Jelly	B-Application
Bean	I-Application
name	O
in	O
October	O
2012	O
and	O
July	O
2013	O
respectively	O
,	O
including	O
4.2	O
—	O
which	O
included	O
further	O
optimizations	O
,	O
multi-user	O
support	O
for	O
tablets	B-Device
,	O
lock	O
screen	O
widgets	O
,	O
quick	O
settings	O
,	O
and	O
screensavers	B-General_Concept
,	O
and	O
4.3	O
—	O
which	O
contained	O
further	O
improvements	O
and	O
updates	O
to	O
the	O
underlying	O
Android	B-Application
platform	I-Application
.	O
</s>
<s>
The	O
first	O
device	O
with	O
Android	B-Application
Jelly	I-Application
Bean	I-Application
was	O
the	O
2012	B-Device
Nexus	I-Device
7	I-Device
.	O
</s>
<s>
,	O
0.36	O
%	O
of	O
Android	B-Application
devices	O
run	O
Jelly	B-Application
Bean	I-Application
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
Google	B-Application
announced	O
that	O
Google	B-Application
Play	I-Application
Services	I-Application
would	O
no	O
longer	O
support	O
Jelly	B-Application
Bean	I-Application
after	O
August	O
of	O
that	O
year	O
.	O
</s>
<s>
Android	B-Application
4.1	I-Application
Jelly	B-Application
Bean	I-Application
was	O
first	O
unveiled	O
at	O
the	B-Application
Google	I-Application
I/O	B-Application
developer	O
conference	O
on	O
June	O
27	O
,	O
2012	O
,	O
with	O
a	O
focus	O
on	O
"	O
delightful	O
"	O
improvements	O
to	O
the	O
platform	O
's	O
user	O
interface	O
,	O
along	O
with	O
improvements	O
to	O
Google	B-Application
's	I-Application
search	B-Application
experience	O
on	O
the	O
platform	O
(	O
such	O
as	O
Knowledge	B-Application
Graph	I-Application
integration	O
,	O
and	O
the	O
then-new	O
digital	O
assistant	O
Google	B-Application
Now	I-Application
)	O
,	O
the	O
unveiling	O
of	O
the	O
Asus-produced	O
Nexus	B-Device
7	I-Device
tablet	B-Device
,	O
and	O
the	O
unveiling	O
of	O
the	O
Nexus	B-Device
Q	I-Device
media	O
player	O
.	O
</s>
<s>
For	O
Jelly	B-Application
Bean	I-Application
,	O
work	O
was	O
made	O
on	O
optimizing	O
the	O
operating	O
system	O
's	O
visual	O
performance	O
and	O
responsiveness	O
through	O
a	O
series	O
of	O
changes	O
referred	O
to	O
as	O
"	O
Project	O
Butter	O
"	O
:	O
graphical	O
output	O
is	O
now	O
triple	B-Algorithm
buffered	I-Algorithm
,	O
vsync	O
is	O
used	O
across	O
all	O
drawing	O
operations	O
,	O
and	O
the	O
CPU	O
is	O
brought	O
to	O
full	O
power	O
when	O
touch	O
input	O
is	O
detected	O
—	O
preventing	O
the	O
lag	O
associated	O
with	O
inputs	O
made	O
while	O
the	O
processor	O
is	O
in	O
a	O
low-power	O
state	O
.	O
</s>
<s>
Following	O
4.1	O
,	O
two	O
more	O
Android	B-Application
releases	O
were	O
made	O
under	O
the	O
Jelly	B-Application
Bean	I-Application
codename	O
;	O
both	O
of	O
these	O
releases	O
focused	O
primarily	O
on	O
performance	O
improvements	O
and	O
changes	O
to	O
the	O
Android	B-Application
platform	I-Application
itself	O
,	O
and	O
contained	O
relatively	O
few	O
user-facing	O
changes	O
.	O
</s>
<s>
Alongside	O
Android	B-Application
4.1	I-Application
,	O
Google	B-Application
also	O
began	O
to	O
decouple	O
APIs	B-General_Concept
for	O
its	O
services	O
on	O
Android	B-Application
into	O
a	O
new	O
system-level	O
component	O
known	O
as	O
Google	B-Application
Play	I-Application
Services	I-Application
,	O
serviced	O
through	O
Google	B-Application
Play	I-Application
Store	I-Application
.	O
</s>
<s>
This	O
allows	O
the	O
addition	O
of	O
certain	O
forms	O
of	O
functionality	O
without	O
having	O
to	O
distribute	O
an	O
upgrade	O
to	O
the	O
operating	O
system	O
itself	O
,	O
addressing	O
the	O
infamous	O
"	O
fragmentation	O
"	O
problems	O
experienced	O
by	O
the	O
Android	B-Application
ecosystem	O
.	O
</s>
<s>
Attendees	O
of	O
the	B-Application
Google	I-Application
I/O	B-Application
conference	O
were	O
given	O
Nexus7	O
tablets	B-Device
pre-loaded	O
with	O
Android	B-Application
4.1	I-Application
,	O
and	O
Galaxy	B-Application
Nexus	I-Application
smartphones	O
which	O
could	O
be	O
upgraded	O
to	O
4.1	O
.	O
</s>
<s>
Google	B-Application
announced	O
an	O
intent	O
to	O
release	O
4.1	O
updates	O
for	O
existing	O
Nexus	O
devices	O
and	O
the	O
Motorola	B-Application
Xoom	I-Application
tablet	B-Device
by	O
mid-July	O
.	O
</s>
<s>
The	O
Android	B-Application
4.1	I-Application
upgrade	O
was	O
released	O
to	O
the	O
general	O
public	O
for	O
GSM	O
Galaxy	B-Application
Nexus	I-Application
models	O
on	O
July	O
10	O
,	O
2012	O
.	O
</s>
<s>
In	O
late	O
2012	O
,	O
following	O
the	O
official	O
release	O
of	O
Jelly	B-Application
Bean	I-Application
,	O
a	O
number	O
of	O
third-party	O
Android	B-Application
OEMs	O
began	O
to	O
prepare	O
and	O
distribute	O
updates	O
to	O
4.1	O
for	O
their	O
existing	O
smartphones	O
and	O
tablets	B-Device
,	O
including	O
devices	O
from	O
Acer	O
,	O
HTC	B-Application
,	O
LG	O
,	O
Motorola	O
,	O
Samsung	O
,	O
Sony	O
,	O
and	O
Toshiba	O
.	O
</s>
<s>
In	O
August	O
2012	O
,	O
nightly	O
builds	O
of	O
the	O
aftermarket	O
firmware	O
CyanogenMod	B-Application
based	O
on	O
4.1	O
(	O
branded	O
as	O
CyanogenMod	B-Application
10	O
)	O
began	O
to	O
be	O
released	O
for	O
selected	O
devices	O
,	O
including	O
some	O
Nexus	O
devices	O
(	O
the	O
Nexus	B-Device
S	I-Device
and	O
Galaxy	B-Application
Nexus	I-Application
)	O
,	O
the	O
Samsung	B-Application
Galaxy	I-Application
S	I-Application
,	O
Galaxy	B-Application
S	I-Application
II	I-Application
,	O
Galaxy	B-Device
Tab	I-Device
2	I-Device
7.0	I-Device
,	O
Motorola	B-Application
Xoom	I-Application
,	O
and	O
Asus	B-Application
Transformer	I-Application
.	O
</s>
<s>
On	O
October	O
29	O
,	O
2012	O
,	O
Google	B-Application
unveiled	O
Android	B-Application
4.2	I-Application
,	O
dubbed	O
"	O
a	O
sweeter	O
tasting	O
Jelly	B-Application
Bean	I-Application
"	O
,	O
alongside	O
its	O
accompanying	O
launch	O
devices	O
,	O
the	O
Nexus	B-Device
4	I-Device
and	O
Nexus	B-Device
10	I-Device
.	O
</s>
<s>
Firmware	O
updates	O
for	O
the	O
Nexus	B-Device
7	I-Device
and	O
Galaxy	B-Application
Nexus	I-Application
were	O
released	O
in	O
November	O
2012	O
.	O
</s>
<s>
Android	B-Application
4.3	I-Application
was	O
subsequently	O
released	O
on	O
July	O
24	O
,	O
2013	O
via	O
firmware	O
updates	O
to	O
the	O
Galaxy	B-Application
Nexus	I-Application
,	O
2012	B-Device
Nexus	I-Device
7	I-Device
,	O
Nexus	B-Device
4	I-Device
,	O
and	O
Nexus	B-Device
10	I-Device
.	O
</s>
<s>
Visually	O
,	O
Jelly	B-Application
Bean	I-Application
's	O
interface	O
reflects	O
a	O
refinement	O
of	O
the	O
Holo	O
appearance	O
introduced	O
by	O
Android	B-Application
4.0	I-Application
.	O
</s>
<s>
The	O
default	O
home	O
screen	O
of	O
Jelly	B-Application
Bean	I-Application
received	O
new	O
features	O
,	O
such	O
as	O
the	O
ability	O
for	O
other	O
shortcuts	O
and	O
widgets	O
on	O
a	O
home	O
screen	O
page	O
to	O
re-arrange	O
themselves	O
to	O
fit	O
an	O
item	O
being	O
moved	O
or	O
resized	O
.	O
</s>
<s>
Android	B-Application
4.2	I-Application
added	O
additional	O
features	O
to	O
the	O
user	O
interface	O
;	O
the	O
lock	O
screen	O
can	O
be	O
swiped	O
to	O
the	O
left	O
to	O
display	O
widget	O
pages	O
,	O
and	O
swiped	O
to	O
the	O
right	O
to	O
go	O
to	O
the	O
camera	O
.	O
</s>
<s>
A	O
pane	O
of	O
quick	O
settings	O
toggles	O
(	O
a	O
feature	O
often	O
seen	O
in	O
OEM	O
Android	B-Application
skins	O
)	O
was	O
also	O
added	O
to	O
the	O
notification	O
area	O
accessible	O
by	O
either	O
swiping	O
down	O
with	O
two	O
fingers	O
on	O
phones	O
,	O
swiping	O
down	O
from	O
the	O
top-right	O
edge	O
of	O
the	O
screen	O
on	O
tablets	B-Device
,	O
or	O
pressing	O
a	O
button	O
on	O
the	O
top-right	O
corner	O
of	O
the	O
notifications	O
pane	O
.	O
</s>
<s>
The	O
previous	O
Browser	O
application	O
was	O
officially	O
deprecated	O
on	O
4.2	O
in	O
favor	O
of	O
Google	B-Operating_System
Chrome	I-Operating_System
for	I-Operating_System
Android	I-Operating_System
.	O
</s>
<s>
4.2	O
also	O
adds	O
gesture	O
typing	O
on	O
the	O
keyboard	O
,	O
a	O
redesigned	O
Clock	O
app	O
,	O
and	O
a	O
new	O
screensaver	B-General_Concept
system	O
known	O
as	O
Daydreams	O
.	O
</s>
<s>
On	O
tablets	B-Device
,	O
Android	B-Application
4.2	I-Application
also	O
supports	O
multiple	O
users	O
.	O
</s>
<s>
To	O
promote	O
consistency	O
between	O
device	O
classes	O
,	O
Android	B-Application
tablets	B-Device
now	O
use	O
an	O
expanded	O
version	O
of	O
the	O
interface	O
layout	O
and	O
home	O
screen	O
used	O
by	O
phones	O
by	O
default	O
,	O
with	O
centered	O
navigation	O
keys	O
and	O
a	O
status	O
bar	O
across	O
the	O
top	O
.	O
</s>
<s>
These	O
changes	O
took	O
effect	O
for	O
small	O
tablets	B-Device
(	O
such	O
as	O
the	O
Nexus	B-Device
7	I-Device
)	O
on	O
4.1	O
,	O
and	O
for	O
larger	O
tablets	B-Device
on	O
4.2	O
.	O
</s>
<s>
Small	O
tablets	B-Device
on	O
Android	B-Application
are	O
optimized	O
primarily	O
for	O
use	O
in	O
a	O
portrait	O
(	O
vertical	O
)	O
orientation	O
,	O
giving	O
apps	O
expanded	O
versions	O
of	O
the	O
layouts	O
used	O
by	O
phones	O
.	O
</s>
<s>
When	O
used	O
in	O
a	O
"	O
landscape	O
"	O
(	O
horizontal	O
)	O
orientation	O
,	O
apps	O
adjust	O
themselves	O
into	O
the	O
widescreen-oriented	O
layouts	O
seen	O
on	O
larger	O
tablets	B-Device
.	O
</s>
<s>
On	O
large	O
tablets	B-Device
,	O
navigation	O
buttons	O
were	O
previously	O
placed	O
in	O
the	O
bottom-left	O
of	O
a	O
bar	O
along	O
the	O
bottom	O
of	O
the	O
screen	O
,	O
with	O
the	O
clock	O
and	O
notification	O
area	O
in	O
the	O
bottom-right	O
.	O
</s>
<s>
For	O
developers	O
,	O
4.1	O
also	O
added	O
new	O
accessibility	O
APIs	B-General_Concept
,	O
expanded	O
language	O
support	O
with	O
bi-directional	O
text	O
support	O
and	O
user-supplied	O
keymaps	O
,	O
support	O
for	O
managing	O
external	O
input	O
devices	O
(	O
such	O
as	O
video	B-Device
game	I-Device
controllers	I-Device
)	O
,	O
support	O
for	O
multichannel	O
,	O
USB	O
,	O
and	O
gapless	O
audio	O
,	O
a	O
new	O
media	O
routing	O
API	B-General_Concept
,	O
low-level	O
access	O
to	O
hardware	O
and	O
software	O
audio	O
and	O
video	O
codecs	O
,	O
and	O
DNS-based	O
service	O
discovery	O
and	O
pre-associated	O
service	O
discovery	O
for	O
Wi-Fi	O
.	O
</s>
<s>
Android	B-Application
Beam	I-Application
can	O
now	O
also	O
be	O
used	O
to	O
initiate	O
Bluetooth	B-Protocol
file	O
transfers	O
through	O
near-field	O
communication	O
.	O
</s>
<s>
The	O
new	O
stack	O
,	O
initially	O
considered	O
"	O
immature	O
"	O
,	O
promised	O
several	O
forward-looking	O
benefits	O
,	O
including	O
improved	O
support	O
for	O
multiple	O
displays	O
,	O
support	O
for	O
Miracast	O
,	O
native	O
right-to-left	O
support	O
,	O
updated	O
developer	O
tools	O
,	O
further	O
accessibility	O
improvements	O
such	O
as	O
zooming	O
gestures	O
,	O
and	O
a	O
number	O
of	O
internal	O
security	O
improvements	O
such	O
as	O
always-on	O
VPN	B-Application
support	O
and	O
app	O
verification	O
.	O
</s>
<s>
Android	B-Application
4.3	I-Application
consisted	O
of	O
further	O
low-level	O
changes	O
,	O
including	O
Bluetooth	B-General_Concept
low	I-General_Concept
energy	I-General_Concept
and	O
AVRCP	O
support	O
,	O
SELinux	B-Application
,	O
OpenGL	B-Application
ES	I-Application
3.0	O
,	O
new	O
digital	O
rights	O
management	O
(	O
DRM	O
)	O
APIs	B-General_Concept
,	O
the	O
ability	O
for	O
apps	O
to	O
read	O
notifications	O
,	O
a	O
VP8	B-Algorithm
encoder	O
,	O
and	O
other	O
improvements	O
.	O
</s>
<s>
Android	B-Application
4.3	I-Application
also	O
included	O
a	O
hidden	O
privacy	O
feature	O
known	O
as	O
"	O
App	O
Ops	O
"	O
,	O
which	O
allowed	O
users	O
to	O
individually	O
deny	O
permissions	O
to	O
apps	O
.	O
</s>
<s>
However	O
,	O
the	O
feature	O
was	O
later	O
removed	O
on	O
Android	B-Application
4.4.2	I-Application
;	O
a	O
Google	B-Application
spokesperson	O
stated	O
that	O
the	O
feature	O
was	O
experimental	O
and	O
could	O
prevent	O
certain	O
apps	O
from	O
functioning	O
correctly	O
if	O
used	O
in	O
certain	O
ways	O
.	O
</s>
<s>
The	O
concept	O
was	O
revisited	O
as	O
the	O
basis	O
of	O
a	O
redesigned	O
permissions	O
system	O
for	O
Android	B-Application
6.0	I-Application
.	O
</s>
