http://femurdesign.com/theremin/
It's polyphonic too. The echo etc works in real time. You could score a cheesy science fiction flick just with this app. Works great with my Surface 3 tablet.
http://femurdesign.com/theremin/
It's polyphonic too. The echo etc works in real time. You could score a cheesy science fiction flick just with this app. Works great with my Surface 3 tablet.