<s>
In	O
computing	O
,	O
the	O
menu	B-Device
key	I-Device
or	O
application	B-Device
key	I-Device
(	O
)	O
is	O
a	O
key	O
found	O
on	O
Microsoft	O
Windows-oriented	O
computer	B-Device
keyboards	I-Device
,	O
introduced	O
at	O
the	O
same	O
time	O
as	O
the	O
Windows	B-Device
logo	I-Device
key	I-Device
.	O
</s>
<s>
Its	O
symbol	O
is	O
usually	O
a	O
small	O
icon	O
depicting	O
a	O
pointer	O
hovering	O
above	O
a	O
menu	O
,	O
and	O
it	O
is	O
typically	O
found	O
on	O
the	O
right	O
side	O
of	O
the	O
keyboard	B-Device
between	O
the	O
right	O
Windows	B-Device
logo	I-Device
key	I-Device
and	O
the	O
right	O
control	B-Device
key	I-Device
(	O
or	O
between	O
the	O
right	O
alt	B-Device
key	I-Device
and	O
the	O
right	O
control	B-Device
key	I-Device
)	O
.	O
</s>
<s>
While	O
the	O
Windows	B-Device
key	I-Device
is	O
present	O
on	O
the	O
vast	O
majority	O
of	O
keyboards	B-Device
intended	O
for	O
use	O
with	O
the	O
Windows	B-Application
operating	I-Application
system	I-Application
,	O
the	O
menu	B-Device
key	I-Device
is	O
frequently	O
omitted	O
in	O
the	O
interest	O
of	O
space	O
,	O
particularly	O
on	O
portable	O
and	O
laptop	O
keyboards	B-Device
.	O
</s>
<s>
The	O
key	O
's	O
primary	O
function	O
is	O
to	O
launch	O
a	O
context	O
menu	O
with	O
the	O
keyboard	B-Device
rather	O
than	O
with	O
the	O
usual	O
right-mouse	O
button	O
.	O
</s>
<s>
It	O
can	O
be	O
used	O
when	O
the	O
right-mouse	O
button	O
is	O
not	O
present	O
on	O
a	O
mouse	B-Device
.	O
</s>
<s>
Some	O
Windows	O
public	O
terminals	O
do	O
not	O
have	O
a	O
Menu	B-Device
key	I-Device
on	O
their	O
keyboard	B-Device
to	O
prevent	O
users	O
from	O
right-clicking	O
;	O
however	O
,	O
in	O
many	O
Windows	B-Application
applications	I-Application
,	O
a	O
similar	O
functionality	O
can	O
be	O
invoked	O
with	O
the	O
keyboard	B-Device
shortcut	O
,	O
or	O
sometimes	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
Logitech	O
Illuminated	O
Keyboard	B-Device
has	O
an	O
FN	O
key	O
where	O
the	O
menu	B-Device
key	I-Device
is	O
usually	O
found	O
.	O
</s>
<s>
Pressing	O
FN	O
,	O
together	O
with	O
the	O
keyboard	B-Device
's	O
print	O
screen	O
key	O
(	O
above	O
home	O
)	O
,	O
produces	O
the	O
Menu	B-Device
key	I-Device
function	O
.	O
</s>
<s>
Programmers	O
using	O
the	O
Windows	B-Library
API	I-Library
can	O
intercept	O
this	O
key	O
by	O
looking	O
for	O
a	O
WM_KEYDOWN	O
message	O
with	O
wParam	O
VK_APPS	O
(	O
defined	O
as	O
0x5D	O
in	O
winuser.h	O
)	O
.	O
</s>
<s>
Android	B-Application
devices	O
formerly	O
came	O
with	O
physical	O
Menu	O
buttons	O
,	O
but	O
with	O
the	O
release	O
of	O
Android	B-Application
Honeycomb	I-Application
,	O
this	O
was	O
deprecated	O
in	O
favor	O
of	O
an	O
on-screen	O
button	O
.	O
</s>
