Holy cow, I buy a Vita yesterday and something that looks pretty cool comes out today for free. I will definitely be playing this, no questions asked. The dungeon battle mechanic looks like a fun little time waster.
(Not to mention that I'm buying at least UMvC3 for the Vita today. Life is good.)
I am a little too old to fully enjoy this game. Okay, I lied. I am at level 92 and have almost 70 friends. I've also cleared to the 28th floor on the Dungeon. It's really lame to play, but honestly I have benefited from having a lot more friends to play other games with on the vita. It's really about the social aspect, as there really isn't any gameplay. Also the no trophy and pay to play items are a big reason why this is gonna fail.