Check this box oly if you kow that your game is playable ad is optimized for mobile devices

Check this box only if you know that your game is playable and is optimized for mobile devicesCheck this box only if you know that your game is playable and is optimized for mobile devices

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