<s>
Room	B-Language
for	I-Language
PlayStation	I-Language
Portable	I-Language
(	O
officially	O
styled	O
R∞M	O
—	O
that	O
is	O
,	O
with	O
the	O
initial	O
and	O
final	O
letters	O
in	O
capital	O
case	O
,	O
and	O
an	O
intervening	O
pair	O
of	O
(	O
lowercase	O
)	O
letters	O
O	O
suggested	O
by	O
an	O
intervening	O
infinity	O
symbol	O
.	O
</s>
<s>
also	O
marketed	O
as	O
PlayStation	B-Language
Room	I-Language
)	O
was	O
a	O
community-based	O
social	O
networking	O
service	O
that	O
halted	O
development	O
on	O
April	O
15	O
,	O
2010	O
.	O
</s>
<s>
It	O
was	O
being	O
developed	O
by	O
Sony	O
Computer	O
Entertainment	O
Japan	O
and	O
beta	O
tested	O
in	O
Japan	O
,	O
from	O
October	O
2009	O
to	O
April	O
2010	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
on	O
the	O
PlayStation	B-Device
Network	I-Device
.	O
</s>
<s>
The	O
service	O
was	O
similar	O
to	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
's	O
service	O
,	O
PlayStation	B-Protocol
Home	I-Protocol
.	O
</s>
<s>
It	O
could	O
be	O
launched	O
directly	O
from	O
the	O
PlayStation	B-Device
Network	I-Device
section	O
of	O
the	O
PSP	B-Operating_System
's	O
XrossMediaBar	B-Device
after	O
it	O
had	O
been	O
downloaded	O
and	O
installed	O
onto	O
the	O
PSP	B-Operating_System
system	O
.	O
</s>
<s>
Just	O
as	O
with	O
Home	O
,	O
PSP	B-Operating_System
owners	O
would	O
have	O
been	O
able	O
to	O
invite	O
other	O
PSP	B-Operating_System
owners	O
into	O
their	O
Simulated	O
rooms	O
(	O
called	O
"	O
my	O
rooms	O
"	O
)	O
to	O
"	O
enjoy	O
real	O
time	O
communication.	O
"	O
</s>
<s>
It	O
was	O
to	O
be	O
available	O
for	O
all	O
models	O
of	O
the	O
PSP	B-Operating_System
;	O
Sony	O
announced	O
that	O
it	O
would	O
allow	O
users	O
to	O
create	O
3-D	O
avatars	B-Device
,	O
room	O
spaces	O
,	O
blogs	O
,	O
albums	O
,	O
and	O
chat	O
support	O
.	O
</s>
<s>
A	O
closed	O
beta	O
test	O
was	O
conducted	O
from	O
October	O
2009	O
up	O
to	O
April	O
15	O
,	O
2010	O
,	O
with	O
selected	O
PSP	B-Operating_System
owners	O
receiving	O
an	O
invitation	O
to	O
participate	O
,	O
and	O
further	O
details	O
.	O
</s>
<s>
access	O
to	O
the	O
internet	O
from	O
their	O
PSP	B-Operating_System
,	O
</s>
<s>
a	O
PlayStation	B-Device
Network	I-Device
master	O
account	O
.	O
</s>
