UFHO2 is a turn-based strategy game. It's a very simple game, in the sense that you only have a handful of different moves available to make, but it gets to such strategic depth that it could easily melt your brain. It already happened to a couple of guys, so be warned.
In this trailer, you can see all the different platforms UFHO2 will be available for: PC, Mac, iPad and Android tablets. Also, some gratuitous nonsense.