<s>
is	O
a	O
free-to-play	O
role-playing	O
video	O
game	O
set	O
in	O
the	O
One	B-Device
Piece	I-Device
universe	O
,	O
developed	O
and	O
published	O
by	O
Bandai	O
Namco	O
Entertainment	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
Android	B-Application
and	O
iOS	B-Application
platforms	O
.	O
</s>
<s>
The	O
game	O
also	O
summarizes	O
the	O
story	O
of	O
the	O
One	B-Device
Piece	I-Device
manga	O
as	O
the	O
player	O
progresses	O
through	O
the	O
story	O
arc	O
.	O
</s>
<s>
Before	O
it	O
was	O
released	O
in	O
English	O
,	O
the	O
Japanese	O
version	O
was	O
one	O
of	O
top	O
30	O
grossing	O
mobile	O
games	O
in	O
Japan	O
of	O
2014	O
,	O
which	O
has	O
been	O
attributed	O
to	O
its	O
efficient	O
design	O
,	O
as	O
well	O
as	O
to	O
the	O
popularity	O
of	O
the	O
One	B-Device
Piece	I-Device
franchise	O
.	O
</s>
<s>
The	O
game	O
has	O
been	O
called	O
an	O
improved	O
version	O
of	O
Brave	B-Application
Frontier	I-Application
.	O
</s>
