<s>
Flow	B-Application
Free	I-Application
is	O
a	O
puzzle	O
game	O
app	B-Application
for	O
iOS	B-Application
and	O
Android	B-Application
released	O
by	O
American	O
studio	O
Big	O
Duck	O
Games	O
in	O
June	O
2012	O
.	O
</s>
<s>
The	O
app	B-Application
also	O
contains	O
additional	O
paid	O
packs	O
as	O
well	O
as	O
a	O
time	O
trial	O
mode	O
.	O
</s>
<s>
The	O
first	O
expansion	O
,	O
"	O
Flow	B-Application
Free	I-Application
:	O
Bridges	O
"	O
,	O
was	O
released	O
on	O
November	O
8	O
,	O
2012	O
at	O
a	O
fixed	O
price	O
.	O
</s>
<s>
The	O
second	O
expansion	O
,	O
"	O
Flow	B-Application
Free	I-Application
:	O
Hexes	O
"	O
,	O
was	O
released	O
on	O
October	O
12	O
,	O
2016	O
,	O
and	O
features	O
both	O
free	O
and	O
paid	O
premium	O
puzzles	O
.	O
</s>
<s>
The	O
gameplay	O
is	O
similar	O
to	O
"	O
Flow	B-Application
Free	I-Application
"	O
except	O
the	O
layout	O
resembles	O
hexagons	B-Application
instead	O
of	O
squares	O
.	O
</s>
<s>
The	O
third	O
expansion	O
,	O
"	O
Flow	B-Application
Free	I-Application
:	O
Warps	O
"	O
,	O
was	O
released	O
on	O
August	O
8	O
,	O
2017	O
.	O
</s>
