Controls:

On Computer:

Press any key to switch to computer mode.

Left / Right: Move

Escape / Backspace: Return to menu (Best Time is saved)

R: Reset Best Times (While in menu)

On Mobile:

Press the screen to switch to mobile mode.

Left / Right buttons: Move

X button: Return to menu

In Options, use the sliders and checkboxes to change the settings. All settings require Sandbox to be enabled to work.