<s>
Emojli	B-Protocol
was	O
a	O
social	O
application	O
for	O
iOS	B-Application
and	O
Android	B-Application
,	O
created	O
by	O
YouTuber	O
and	O
web	B-Operating_System
developer	I-Operating_System
Tom	O
Scott	O
,	O
and	O
YouTuber	O
and	O
broadcast	O
engineer	O
Matt	O
Gray	O
.	O
</s>
<s>
Usernames	O
could	O
contain	O
only	O
emoji	B-Application
and	O
users	O
could	O
only	O
communicate	O
using	O
emoji	B-Application
within	O
the	O
app	O
.	O
</s>
<s>
Tom	O
Scott	O
and	O
Matt	O
Gray	O
were	O
inspired	O
to	O
create	O
the	O
app	O
after	O
seeing	O
the	O
success	O
of	O
Yo	B-Application
and	O
the	O
release	O
of	O
new	O
emoji	B-Application
characters	O
by	O
the	O
Unicode	O
Consortium	O
.	O
</s>
<s>
The	O
back	B-Application
end	I-Application
of	O
the	O
app	O
was	O
coded	O
by	O
Tom	O
Scott	O
in	O
PHP	B-Application
and	O
MySQL	B-Application
and	O
the	O
front	B-Application
end	I-Application
was	O
designed	O
and	O
programmed	O
by	O
Matt	O
Gray	O
in	O
HTML	B-Language
,	O
CSS	B-Language
and	O
JavaScript	B-Language
.	O
</s>
<s>
The	O
pair	O
remarked	O
that	O
they	O
ran	O
into	O
problems	O
as	O
not	O
all	O
web	B-Application
browsers	I-Application
supported	O
emoji	B-Application
,	O
and	O
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
support	O
for	O
them	O
varied	O
.	O
</s>
<s>
The	O
iOS	B-Application
version	O
of	O
the	O
app	O
was	O
released	O
on	O
29	O
August	O
2014	O
.	O
</s>
<s>
The	O
Android	B-Application
version	O
was	O
released	O
on	O
30	O
January	O
2015	O
.	O
</s>
