For mac and pc - install the 0.4.4 runtime sdk,and run the executable, direct to rift was tested more thouroughly
Android - regular android will be the oculus mobile install -- put it into your GearVR and punch away
Android non-Note4 - install the dive sdk and put it in your nearest cardboard. Or squint and imagine that you are punching monsters
Leap motion build, put it down on the table (not the leap head mount) and your friend can control the left arm.
Alex Sink - programmer, squeezer of pixels, crusher of polies
Tipatat Chennavasin - Idea man, art