This tutorial goes through how to add FPVSIM Drone Simulator to your home screen and play in full screen mode on iOS. Android should work in a similar way.
1
Go to
https://fpvsim.com with the latest
Safari browser on your iPhone. Click on the "Share" button at the bottom.
2
In the share menu, click on "Add to Home Screen".
4
Now you should see FPVSIM on your home screen. Click it to launch.
5
From the home screen, click "Try web version" to enter the simulator.
6
Now you can use the virtual joystick to play on your iPhone!
