<s>
droidcon	B-Application
is	O
the	O
franchise	O
name	O
for	O
a	O
series	O
of	O
commercial	O
conferences	O
in	O
Europe	O
,	O
focused	O
on	O
software	O
development	O
for	O
Google	B-Application
's	I-Application
Android	I-Application
smartphone	O
framework	O
.	O
</s>
<s>
The	O
droidcon	B-Application
conferences	O
are	O
the	O
largest	O
Android	B-Application
developer	O
conferences	O
held	O
outside	O
the	O
USA	O
.	O
</s>
<s>
droidcon	B-Application
started	O
in	O
2009	O
in	O
Berlin	O
,	O
as	O
a	O
grassroots	O
effort	O
organized	O
by	O
Android	B-Application
developers	O
.	O
</s>
<s>
So	O
far	O
droidcon	B-Application
conferences	O
took	O
place	O
in	O
Berlin	O
,	O
London	O
,	O
Tunis	B-Operating_System
,	O
Bangalore	O
,	O
Bucharest	O
,	O
Amsterdam	O
,	O
Murcia	O
,	O
Brussels	O
,	O
Turin	O
,	O
Paris	O
,	O
Madrid	O
,	O
Stockholm	O
,	O
Tel	O
Aviv	O
,	O
Moscow	O
,	O
Kraków	O
,	O
Dubai	O
,	O
Zagreb	O
,	O
Thessaloniki	O
,	O
Montreal	O
and	O
New	O
York	O
.	O
</s>
<s>
Two	O
of	O
the	O
largest	O
droidcon	B-Application
events	O
held	O
so	O
far	O
were	O
in	O
London	O
in	O
2014	O
and	O
Berlin	O
in	O
2013	O
,	O
with	O
about	O
1000	O
attendees	O
each	O
.	O
</s>
<s>
The	O
conferences	O
continue	O
to	O
grow	O
in	O
size	O
and	O
in	O
new	O
locations.2019	O
Droidcon	B-Application
edition	O
is	O
set	O
to	O
happen	O
at	O
 [ Chennai ] 	O
.	O
</s>
<s>
droidcon	B-Application
provides	O
a	O
forum	O
for	O
developers	O
to	O
network	O
with	O
other	O
developers	O
,	O
to	O
share	O
techniques	O
,	O
to	O
announce	O
apps	O
and	O
products	O
,	O
and	O
to	O
learn	O
and	O
teach	O
.	O
</s>
<s>
In	O
2010	O
,	O
Lucasfilm	O
claimed	O
the	O
rights	O
to	O
the	O
word	O
"	O
droid	O
"	O
based	O
on	O
its	O
Star	B-Application
Wars	I-Application
franchise	O
,	O
and	O
issued	O
a	O
"	O
cease	O
and	O
desist	O
"	O
writ	O
against	O
droidcon	B-Application
.	O
</s>
<s>
However	O
,	O
as	O
of	O
2014	O
,	O
the	O
conferences	O
continue	O
to	O
be	O
called	O
"	O
droidcon	B-Application
"	O
.	O
</s>
