Instruction: => Arrow keys and keys to control Mario, if on phone use the joystick. Fire button only appears when you are fire mario =>Press 0 key to toggle between editor and play mode => Press 1,2,3,4,5 and 9 keys to toggle among brushes => In editor mode, press q key to toggle between auto arranging tiles and non auto arranging tiles.
Thanks to @griffpatch for the tutorial of SMA 4 and joystick.
