Altos Adventure to use the haptic feedback of your phone. Severed supports 3D Touch, also Dungeon Warfare.
And some titles that are visually impressive are Oceanhorn, Implosion, Bastion, Transistor, Leo's Fortune, Radiation Island, infinity Blade.
I am thinking about getting a plus but I am afraid it is too big to carry around. I don't have a problem using twi hands, but I am agraid it would be too uncomfortable on my pocket. What do you guy think about it? I have an iphone 6 with Apple's battery case. Is there ao much difference?