Imagine u play "cRPG" with 3 Touchpads instead of an Keyboard.So u just need 3 Fingers but addiotnaly too the Reaction and the memory of those in ur brain, u would need too use another Sense,Weight Calculation.It would make it possibel too have an Angel of 360 degree in Attack and Defense Moves ,also more realistic movement will be achieved.Or think of the Possibilitys for Cavalary and Ranged Gameplay.I wonder too what extend the common PCs of Today could handel it...