I haven't heard of anything free coming out with Black and White. I just heard of the Victini being given away. I was and still am satisfied with that, although I would love a keychain of some sort. xD
I have tried playing it, and I didn't like it, because I felt it was a Pokemon rip off. It seemed to me that the graphics were a bit too fancy. I'm used to the simpler aspect of the game. Plus I was confused, and the game doesn't do the best job with explaining what you're supposed to do...