Yes, Infinite Tanks has MFi controller support!
Infinite Tanks on iOS does support controllers and is compatible with the MFI standard.
Infinite Tanks features exactly what the name suggests - huge content - never ending lines of modern combat vehicles, huge environments with realistic weather, online multiplayer and countless single player missions and drills.
The game features an innovative card-driven building system, which allows players to mix, match and trade individual tank parts, including engines, bodies, tracks, turrets, mines, mortars, upgrades and obviously guns, to create an incredibly diverse array of powerful and versatile vehicles.
Infinite Tanks is pushing the boundaries with modern graphics and exceptionally deep gameplay.
Tanks, destroyers, hovercrafts and rocket launchers, each in 3 different classes.
Infinite Tanks supports MFi controllers.