<s>
Quell	B-Application
is	O
an	O
iOS	O
and	O
Android	O
game	O
developed	O
by	O
British	O
studio	O
Fallen	O
Tree	O
Games	O
and	O
released	O
on	O
August	O
7	O
,	O
2010	O
.	O
</s>
<s>
NODpad	O
Games	O
said	O
:	O
"	O
There	O
is	O
nothing	O
to	O
dislike	O
about	O
Quell	B-Application
;	O
the	O
game	O
is	O
the	O
very	O
embodiment	O
of	O
relaxation	O
"	O
.	O
</s>
<s>
AppSpy	O
said	O
"	O
Quell	B-Application
is	O
a	O
beautifully	O
relaxing	O
puzzle	O
title	O
to	O
delve	O
in	O
to	O
and	O
even	O
when	O
things	O
get	O
rough	O
it	O
's	O
easy	O
to	O
get	O
lost	O
in	O
the	O
moment	O
and	O
just	O
play	O
for	O
the	O
sake	O
of	O
chilling	O
out	O
"	O
.	O
</s>
<s>
Eurogamer	O
wrote	O
"	O
At	O
less	O
than	O
the	O
price	O
that	O
airports	O
charge	O
for	O
a	O
packet	O
of	O
Extra	O
,	O
Quell	B-Application
is	O
yet	O
another	O
way	O
to	O
make	O
you	O
feel	O
Zen	O
about	O
spending	O
hundreds	O
of	O
pounds	O
on	O
Apple	O
hardware	O
"	O
.	O
</s>
<s>
SlideToPlay	O
said	O
"	O
Quell	B-Application
is	O
a	O
simple	O
puzzle	O
game	O
that	O
you	O
wo	O
n't	O
want	O
to	O
quit	O
"	O
.	O
</s>
<s>
Quell	B-Application
Reflect	O
was	O
announced	O
and	O
released	O
on	O
Aug	O
19	O
,	O
2011	O
for	O
iOS	O
,	O
and	O
later	O
on	O
Android	O
,	O
Nintendo	O
3DS	O
,	O
and	O
Steam	O
.	O
</s>
<s>
Quell	B-Application
Memento	O
was	O
released	O
in	O
April	O
2013	O
for	O
iOS	O
,	O
and	O
later	O
for	O
Android	O
,	O
Nintendo	O
3DS	O
,	O
PS	O
VITA	O
,	O
and	O
Steam	O
.	O
</s>
<s>
Quell	B-Application
Zen	O
was	O
announced	O
and	O
released	O
in	O
July	O
2016	O
for	O
iOS	O
,	O
Android	O
,	O
and	O
Steam	O
.	O
</s>
