the next DS that would have 1152 ways of using it possible (many are redundant or useless but it is up to that number)because there is :6 handlings (3 rotations and 2 flips)4 cover positions (over one of the 3 screens or on the back)4 camera positions (2 cameras than can be in 2 ways)3 screen positions (0° closed 160° normally opened 360° fully opened)2 tactiles (finger or stylus)2 playings (single or multi, it can really be a different way using the transparent screen)6x4x4x3x2x2=1152 ways

it can be used with or without the terminal tooNintendo Terminal Fusion ideabut that is mostly why there is a 3rd rotations (to use it like a wiimote)