Use MOUSE.

Tired of always losing at Hangman? Now it’s time to get your own back on that noose-wielding bully! It gives you the chance to save the poor victims before they run out of breath!

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