<s>
OPhone	B-Application
,	O
or	O
OMS	O
(	O
Open	O
Mobile	O
System	O
)	O
,	O
is	O
a	O
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
running	O
on	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
It	O
is	O
based	O
on	O
technologies	O
initially	O
developed	O
by	O
Android	B-Application
Inc.	O
,	O
a	O
firm	O
later	O
purchased	O
by	O
Google	B-Application
,	O
and	O
work	O
done	O
by	O
the	O
Open	O
Handset	O
Alliance	O
.	O
</s>
<s>
The	O
OPhone	B-Application
OS	O
has	O
appeared	O
only	O
on	O
China	O
Mobile	O
phones	O
,	O
and	O
the	O
software	O
was	O
developed	O
for	O
China	O
Mobile	O
by	O
software	O
firm	O
Borqs	O
.	O
</s>
<s>
A	O
modified	O
version	O
of	O
OMS	O
has	O
appeared	O
on	O
other	O
carriers	O
as	O
Android+	O
,	O
also	O
developed	O
and	O
maintained	O
by	O
Borqs	O
.	O
</s>
<s>
Android	B-Application
has	O
been	O
modified	O
for	O
local	O
Chinese	O
markets	O
by	O
China	O
Mobile	O
's	O
OPhone	B-Application
Software	O
Developers	O
Network	O
.	O
</s>
<s>
OPhone	B-Application
is	O
a	O
Linux-based	O
smartphone	B-Application
software	O
platform	O
developed	O
by	O
China	O
Mobile	O
and	O
based	O
on	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
developed	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
OPhone	B-Application
is	O
based	O
on	O
open	B-Application
source	I-Application
software	I-Application
and	O
mobile	O
internet	O
technologies	O
.	O
</s>
<s>
For	O
end-users	O
,	O
OPhone	B-Application
aims	O
to	O
provide	O
cheap	O
,	O
low	O
frills	O
,	O
entry-level	O
smartphone	B-Application
access	O
and	O
a	O
limited	O
mobile	O
internet	O
experience	O
using	O
China	O
Mobile	O
's	O
proprietary	O
TD-SCDMA	O
network	O
,	O
and	O
its	O
GSM	O
network	O
.	O
</s>
<s>
China	O
Mobile	O
consecutively	O
released	O
the	O
1.0	O
and	O
1.5	O
versions	O
of	O
the	O
OPhone	B-Application
SDK	B-Application
for	O
public	O
use	O
.	O
</s>
<s>
In	O
February	O
2010	O
,	O
China	O
Mobile	O
released	O
the	O
2.0	O
version	O
of	O
the	O
SDK	B-Application
for	O
public	O
use	O
.	O
</s>
<s>
According	O
to	O
a	O
Sina	O
Tech	O
release	O
,	O
this	O
iteration	O
would	O
include	O
support	O
for	O
the	O
Windows	B-Operating_System
Mobile	I-Operating_System
API	B-General_Concept
framework	O
.	O
</s>
<s>
As	O
of	O
April	O
2010	O
around	O
600	O
apps	B-Application
had	O
been	O
developed	O
specifically	O
for	O
OPhones	B-Application
.	O
</s>
