start - right mouse butto
take-off - click with the right mouse butto
cotrol - use the mouse up/dow to maitai the optimal positio of the skier
ladig - click with the right mouse butto (or simply both buttos at the same time

SKI JUMP is a phenomenal ski jumping game that offers many different game modes and 55 ski jumps from K50 to K250. If you have ever played DSJ, you must try SKI JUMP

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL