EG Sky Troops games is to destroy all enemy planes and rescue people as much as possible After mission completed the next level will be unlocked Higher level have a stronger enemy so you need to upgrade your plane using game coin that you get after completing a level a coin you get depending on how much people you save or enemys you destroyed

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