I ordered this device this morning, its the motion leap, and it allows you to controll about 10 midi CC in real time at the same time with a single hand...

https://www.youtube.com/watch?x-yt-cl=85114404&v=fwn7_Czh5Y0&x-yt-ts=1422579428

best thing is its price €90 and €10 for the midi software part.. runs on MAC and PC..