Not sure about coming from cm7. My experience was coming from another ics rom was that most apps were fine but any google apps resulted in the play store forced closing. My only solution seemed to be to reflash the rom.
There have been a lot of tb updates since then and as i stick to this rom i can't say if it works but probably worth the trouble of downloading apps again and making fresh backups from within slim.
Sent from my GT-P7500 using Tapatalk 2
So I guess it might work for games etc?
PS - Apologies for posting something not-entirely-related to this thread...