Confirmed that it is coming to Android! Dungeon defenders is a 3D DoTA/Tower defense hybrid built using the Unreal Engine. It looks BADASS! here's the link to Droid Gamers with a trailer:
Droid Gamers | Android Games and Gaming Dungeon Defenders, Unreal Engine and drooling on yourself
Droid Gamers | Android Games and Gaming Dungeon Defenders, Unreal Engine and drooling on yourself