Download EASY JOYSTICK 4.6 FREE Unity. 

Package contains easy to create and integrate joystick script, done using the new Unity UI system.

–EasyJoystick.MoveInput() – returns vector3 for movement.
– EasyJoystick.Rotate(transformToRotate, rotateSpeed) – Rotation function, usefull for look rotation.
– EasyJoystick.IsPressed() – returns true if the joystick is pressed and conversely, useful for fire functions and so on.
– EasyJoystick.Enable(boolean) – enable or disable joystick, use this to disable and hide controls.

Supports Screen Space – Overlay and Screen Space – Camera renders modes.
Works properly with different resolutions and anchor types.