<s>
A	O
mobile	B-Application
simulator	I-Application
is	O
a	O
software	B-Application
application	I-Application
for	O
a	O
personal	B-Device
computer	I-Device
which	O
creates	O
a	O
virtual	B-Architecture
machine	I-Architecture
version	O
of	O
a	O
mobile	B-Application
device	I-Application
,	O
such	O
as	O
a	O
mobile	O
phone	O
,	O
iPhone	B-Device
,	O
other	O
smartphone	B-Application
,	O
or	O
calculator	B-Application
,	O
on	O
the	O
computer	O
.	O
</s>
<s>
This	O
may	O
sometimes	O
also	O
be	O
termed	O
an	O
emulator	B-Application
.	O
</s>
<s>
The	O
mobile	B-Application
simulator	I-Application
allows	O
the	O
user	O
to	O
use	O
features	O
and	O
run	O
applications	O
on	O
the	O
virtual	O
mobile	O
on	O
their	O
computer	O
as	O
though	O
it	O
was	O
the	O
actual	O
mobile	B-Application
device	I-Application
.	O
</s>
<s>
A	O
mobile	B-Application
simulator	I-Application
lets	O
you	O
test	O
a	O
website	O
and	O
determine	O
how	O
well	O
it	O
performs	O
on	O
various	O
types	O
of	O
mobile	B-Application
devices	I-Application
.	O
</s>
<s>
A	O
good	O
simulator	O
tests	O
mobile	O
content	O
quickly	O
on	O
multiple	O
browsers	O
and	O
emulates	B-Application
several	O
device	O
profiles	O
simultaneously	O
.	O
</s>
<s>
Mobile	B-Application
simulators	I-Application
may	O
be	O
developed	O
using	O
programming	O
languages	O
such	O
as	O
Java	B-Language
,	O
.NET	B-Application
and	O
JavaScript	B-Language
.	O
</s>
