<s>
Felgo	B-Operating_System
(	O
previously	O
V-Play	B-Operating_System
Engine	I-Operating_System
until	O
February	O
2019	O
)	O
is	O
a	O
cross-platform	B-Operating_System
development	O
tool	O
,	O
based	O
on	O
the	O
Qt	B-Language
framework	I-Language
.	O
</s>
<s>
Felgo	B-Operating_System
apps	O
and	O
games	O
are	O
supported	O
on	O
iOS	B-Application
,	O
Android	B-Application
,	O
Windows	O
Phone	O
,	O
embedded	O
devices	O
and	O
desktop	O
devices	O
.	O
</s>
<s>
Felgo	B-Operating_System
developers	O
use	O
QML	O
,	O
JavaScript	O
and	O
C++	O
to	O
create	O
mobile	O
apps	O
and	O
games	O
.	O
</s>
<s>
Apps	O
and	O
games	O
built	O
with	O
Felgo	B-Operating_System
use	O
a	O
single	O
code	O
base	O
and	O
work	O
across	O
multiple	B-Operating_System
platforms	I-Operating_System
and	O
screen	O
resolutions	O
.	O
</s>
<s>
Felgo	B-Operating_System
was	O
founded	O
in	O
2012	O
and	O
is	O
based	O
in	O
Vienna	O
,	O
Austria	O
.	O
</s>
<s>
Felgo	B-Operating_System
is	O
based	O
on	O
the	O
Qt	B-Language
(	O
software	O
)	O
cross-platform	B-Operating_System
development	O
framework	O
that	O
provides	O
abstraction	O
layers	O
for	O
timers	O
,	O
threads	O
,	O
storage	O
,	O
networking	O
and	O
UI	O
rendering	O
on	O
different	O
platforms	O
.	O
</s>
<s>
Felgo	B-Operating_System
uses	O
Qt	B-Language
as	O
its	O
core	O
and	O
offers	O
components	O
and	O
plugins	O
on	O
top	O
of	O
it	O
,	O
which	O
further	O
simplify	O
the	O
development	O
of	O
apps	O
and	O
games	O
.	O
</s>
<s>
The	O
Qt	B-Language
Creator	O
IDE	O
supports	O
editing	O
QML	O
and	O
JavaScript	O
code	O
with	O
context-sensitive	O
help	O
,	O
code	O
completion	O
of	O
Felgo	B-Operating_System
components	O
,	O
navigation	O
between	O
components	O
and	O
more	O
.	O
</s>
<s>
Felgo	B-Operating_System
apps	O
and	O
games	O
are	O
written	O
in	O
JavaScript	O
and	O
QML	O
,	O
a	O
declarative	O
language	O
that	O
features	O
property	O
bindings	O
,	O
state	O
machines	O
or	O
fluid	O
animations	O
of	O
any	O
property	O
.	O
</s>
<s>
Felgo	B-Operating_System
is	O
built	O
to	O
handle	O
all	O
possible	O
aspect	O
ratios	O
and	O
resolutions	O
of	O
modern	O
mobile	O
devices	O
.	O
</s>
<s>
Felgo	B-Operating_System
apps	O
and	O
games	O
provide	O
a	O
native	O
look	O
and	O
feel	O
on	O
all	O
platforms	O
.	O
</s>
<s>
Felgo	B-Operating_System
has	O
abstracted	O
components	O
for	O
displaying	O
native	O
input	O
dialogs	O
and	O
alert	O
boxes	O
without	O
the	O
need	O
of	O
a	O
single	O
native	O
code	O
line	O
.	O
</s>
<s>
The	O
Felgo	B-Operating_System
Game	O
Network	O
is	O
a	O
mobile-backend-as-a-service	O
or	O
MBaas	O
.	O
</s>
<s>
The	O
Felgo	B-Operating_System
Game	O
Network	O
can	O
be	O
implemented	O
in	O
less	O
than	O
50	O
lines	O
of	O
code	O
.	O
</s>
<s>
Felgo	B-Operating_System
apps	O
and	O
games	O
support	O
a	O
number	O
of	O
3rd	O
party	O
plugins	O
.	O
</s>
<s>
The	O
following	O
plugins	O
are	O
currently	O
supported	O
by	O
Felgo	B-Operating_System
:	O
</s>
<s>
Felgo	B-Operating_System
supports	O
the	O
following	O
platforms	O
.	O
</s>
