<s>
Spy	B-Application
Mouse	I-Application
was	O
a	O
video	O
game	O
developed	O
by	O
Firemint	O
for	O
iOS	B-Application
,	O
Android	B-Application
,	O
and	O
Windows	B-Protocol
Phone	I-Protocol
.	O
</s>
<s>
Shortly	O
after	O
being	O
launched	O
,	O
it	O
quickly	O
became	O
the	O
most	O
popular	O
app	O
on	O
the	O
iOS	B-Application
App	I-Application
Store	I-Application
.	O
</s>
<s>
After	O
the	O
release	O
of	O
iOS	B-Operating_System
11	I-Operating_System
,	O
all	O
32-bit	O
apps	O
,	O
including	O
Spy	B-Application
Mouse	I-Application
,	O
can	O
no	O
longer	O
be	O
opened	O
and	O
will	O
prompt	O
the	O
user	O
to	O
uninstall	O
it	O
,	O
and	O
in	O
late	O
2020	O
,	O
the	O
servers	O
for	O
downloading	O
the	O
resources	O
for	O
SPY	B-Application
Mouse	I-Application
on	O
Android	B-Application
were	O
shut	O
down	O
.	O
</s>
<s>
The	O
game	O
however	O
can	O
still	O
be	O
played	O
as	O
normal	O
on	O
devices	O
with	O
it	O
pre-installed	O
and	O
on	O
iOS	B-Application
10	O
or	O
earlier	O
.	O
</s>
<s>
Mr.	O
Squeak	O
,	O
also	O
known	O
as	O
Agent	O
Squeak	O
,	O
is	O
a	O
spy	B-Application
mouse	I-Application
trying	O
to	O
get	O
as	O
much	O
cheese	O
as	O
possible	O
while	O
avoiding	O
various	O
cats	O
,	O
who	O
will	O
chase	O
or	O
harm	O
him	O
if	O
he	O
is	O
spotted	O
.	O
</s>
<s>
The	O
player	O
uses	O
line-drawing	O
(	O
similar	O
to	O
the	O
game	O
Flight	B-Application
Control	I-Application
)	O
to	O
direct	O
Agent	O
Squeak	O
through	O
the	O
levels	O
.	O
</s>
<s>
,	O
the	O
game	O
has	O
been	O
rated	O
4.5	O
stars	O
on	O
the	O
iOS	B-Application
App	I-Application
Store	I-Application
,	O
and	O
4	O
stars	O
on	O
the	O
Windows	B-Application
Phone	I-Application
Store	I-Application
by	O
users	O
,	O
but	O
the	O
game	O
has	O
only	O
been	O
rated	O
2.9	O
stars	O
on	O
Google	B-Application
Play	I-Application
.	O
</s>
