Yes, Heavy Blade has MFi controller support!
Heavy Blade on iOS does support controllers and is compatible with the MFI standard.
Heavy Blade is a 3D hack and slash dungeon crawler with gorgeous visuals and a heavy rock soundtrack designed to push the limits of your device.
Per pixel lighting with specular and bump mapping along with 4 dynamic lights with shadow maps bring the world to life.
Playable with the touch screen or third party game controller.
SUPPORTS: iPhone 5 and later, iPad 3rd gen and later MFI Controllers CONTROLS: With touch devices the controls use a twin stick configuration, with buttons for spells and attacking.
Heavy Blade supports MFi controllers.