Free Helicopter Flyig Simulator(Istructios)
Use the ' Up Arrow cotrol' to take off ad take some altitutde.
Use the 'left ad Right Arrow' to strafe.
Use the 'A ad D' to tur left ad right.
Use the 'W ad S' to go forward ad backward.

Free Helicopter Flying Simulator by Game Tap is new flight simulator with amazing free flight and many challenging missions. Helicopter Sim gives the best flying experience and helps you to become a real pilot by improving your flying

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