Catch to throw. A to go to attack mode but in my version you can hold and the stickman will keep punching. Click A again to go out of attack mode.
Here you get to do pretty much the same thing in the original but I added stickman trails and better punching. But do you guys think an actual game can be made of this? P.S try this in turbo mode here :- http://phosphorus.github.io/#45907864