I think there are quite a lot of those games that have virtual buttons on top, and those can be easily ported to the console. Many of them are RPG's or MMORPG's

I think there are quite a lot of those games that have virtual buttons on top, and those can be easily ported to the console. Many of them are RPG's or MMORPG's, which use the same free-2-play model OUYA is interested in, and are actually some of the top grossing games on Android.