Start by choosing mode by pressing 1, 2, or 3 on keyboard(Not mobile friendly). You can also change while playing. Mode 1: Follows mouse pointer without changing direction. Mode 2: Moves with arrow keys. Mode 3: Same as mode 1, but always points towards mouse.
I used my nation flag for sprite. Video I used: https://www.youtube.com/watch?v=I7k9oE1ka4s
