This is a paid asset, but now you can download Quick Joystick And MoveLook Camera for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Quick Joystick And MoveLook Camera v1.12
Describe: Allows you to quickly integrate mobile joysticks and camera movements and Double fingers zoom in and out.The entire plug-in has only two scripts and the integration is simple.
Note: The player and camera must add the CharacterController component.
1.Select toolbar [Tools–>QuickJoystickAndMoveLookCamera] Create your joystick and move look.
2.MoveLookArea needs to refer to a player.
3.JoystickArea needs to refer to a player.