<s>
Google	B-Operating_System
Swiffy	I-Operating_System
was	O
a	O
web-based	O
tool	O
developed	O
by	O
Google	B-Application
that	O
converted	O
SWF	O
files	O
to	O
HTML5	B-Application
.	O
</s>
<s>
Its	O
main	O
goal	O
was	O
to	O
display	O
Flash	B-Operating_System
contents	O
on	O
devices	O
that	O
do	O
not	O
support	O
Flash	B-Operating_System
,	O
such	O
as	O
iPhone	B-Device
,	O
iPad	B-Device
,	O
and	O
Android	B-Application
Tablets	B-Device
.	O
</s>
<s>
Swiffy	B-Operating_System
was	O
shut	O
down	O
July	O
1	O
,	O
2016	O
.	O
</s>
<s>
A	O
closed	B-Application
source	I-Application
web	O
service	O
hosted	O
by	O
Google	B-Application
converts	O
SWF	O
to	O
an	O
intermediate	B-Application
representation	I-Application
serialized	O
as	O
JSON	B-General_Concept
.	O
</s>
<s>
This	O
representation	O
is	O
in	O
turn	O
converted	O
into	O
SVG	B-Application
in	O
the	O
web	O
browser	O
via	O
JavaScript	B-Language
,	O
which	O
is	O
also	O
used	O
for	O
animations	O
.	O
</s>
<s>
The	O
Swiffy	B-Operating_System
thesis	O
(	O
2012	O
)	O
explains	O
its	O
general	O
approach	O
in	O
the	O
following	O
way	O
:	O
</s>
<s>
Google	B-Operating_System
Swiffy	I-Operating_System
supported	O
a	O
subset	O
of	O
SWF	O
10	O
,	O
ActionScript	B-Operating_System
2.0	O
and	O
ActionScript	B-Operating_System
3.0	O
.	O
</s>
<s>
Swiffy	B-Operating_System
was	O
started	O
in	O
the	O
summer	O
of	O
2011	O
by	O
Google	B-Application
engineering	O
intern	O
Pieter	O
Senster	O
,	O
who	O
joined	O
their	O
mobile	O
advertising	O
team	O
to	O
search	O
for	O
solutions	O
to	O
display	O
Flash	B-Operating_System
content	O
on	O
devices	O
that	O
do	O
not	O
support	O
Flash	B-Operating_System
.	O
</s>
<s>
Progress	O
on	O
Swiffy	B-Operating_System
was	O
sufficient	O
that	O
Google	B-Application
hired	O
him	O
full-time	O
and	O
formed	O
a	O
team	O
to	O
work	O
on	O
the	O
project	O
.	O
</s>
<s>
The	O
product	O
manager	O
of	O
Google	B-Operating_System
Swiffy	I-Operating_System
was	O
Marcel	O
Gordon	O
.	O
</s>
<s>
Swiffy	B-Operating_System
6.0.1	O
was	O
released	O
on	O
February	O
11	O
,	O
2014	O
.	O
</s>
<s>
Swiffy	B-Operating_System
was	O
shut	O
down	O
July	O
1	O
,	O
2016	O
.	O
</s>
<s>
Wallaby	B-Language
by	O
Adobe	O
converts	O
FLA	O
files	O
to	O
HTML5	B-Application
.	O
</s>
<s>
Mozilla	B-Operating_System
Shumway	I-Operating_System
took	O
a	O
different	O
approach	O
by	O
implementing	O
a	O
virtual	B-Architecture
machine	I-Architecture
for	O
SWF	O
in	O
JavaScript	B-Language
.	O
</s>
