As far as an SRPG, it's extremely basic. There is no EXP for defeating enemies, but there is a Level for characters, maybe it goes up as you progress. There are skills, probably different per character and you earn more as you progress. You can use different weapons, at least the lead can, I dunno how you get more, I think you just get all these upgrades and build characters through the story, so you dont "grind" and such like a game as FFT or Disgaea. It's supposed to be a real casual SRPG, and that's what it is for $10.
Oh, and it allows use of the Vision camera, but what for I'm not sure. Probably to see your various people online, like Uno. There are also leaderboards to track how good you do the various levels and such.