You ca simply use keyboard keys like A,W,S,D or Up Arrow, Dow Arrow, Left Arrow, Right Arrow

Your job is to stay alive for long time, You will see some objects that are falling from space. But you need to avoid them. And you have to pick those red dots to play more, otherwise you have to wait for like 12 hours to play.

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