<s>
Forest	B-Application
:	I-Application
Stay	I-Application
focused	I-Application
,	I-Application
be	I-Application
present	I-Application
,	O
or	O
simply	O
Forest	O
,	O
is	O
a	O
productivity	O
application	B-Application
developed	O
by	O
ShaoKan	O
Pi	O
and	O
released	O
on	O
March	O
15	O
,	O
2016	O
.	O
</s>
<s>
Forest	O
is	O
available	O
as	O
an	O
app	O
on	O
iOS	B-Application
,	O
iPadOS	B-Operating_System
and	O
Android	B-Application
,	O
and	O
is	O
also	O
available	O
as	O
a	O
browser	B-Protocol
extension	I-Protocol
on	O
the	O
Chrome	B-Application
Web	I-Application
Store	I-Application
and	O
Firefox	B-Operating_System
Add-ons	I-Operating_System
.	O
</s>
