Alright, so now that I've actually played a few games, I'd say it's not too shabby of a game. I've always liked these sumo-type games, because knocking people out of the ring is fun. XD
I spot no bugs so far, so that's good. :D
Oh, and can I make a suggestion? What's great about multiplayer games is the element of unpredictability -- the match can go either way. So, after you fix the bugs in the game (which is much more important), adding some powerups like quicker capture abilities, faster speed, better control, and things that hinder opponents would add to the replay value immensely. :)
But, the good thing is, I have no urgent problems with the game. It was fun.