Fractured Soul 3D may be played across both of the Nintendo 3DS' screens simultaneously, but that doesn't mean you have to hurt yourself trying to look at all of these screenshots at the same time. Honestly, we won't tell anyone.
Fractured Soul is a classic platform game with a unique twist: gameplay is across both screens of the DS at once! Each of the 5 worlds has something new on the second screen - different physics, gravity, or heat damage, for example. There are also shmup sections that use both screens.