The ported Bbm App For Galaxy Y Works With Restoring Data.
Ported Bbm Thread-http://forum.xda-developers.com/showthread.php?t=2628593
But Now Bbm Is ReleasinG Their App For GingerBread Finally...
They Said They Will Release Their Official BBM In This February
News Are Below
I ThoughT This Is Fake But Written I. Their Own Blog
Now No Need To use Ported and RestorinG Data.
They also said that It will be available in Playstore This Month.
So Wait For Original.
No Need To Use Beta VersioN.
Its AvAilable ...
Release Done By BBM.