This is a basic enigine to make the equivalent of arrow key contorl on a touchscreen. Tap the edges of the screen to go in any direction (including diagonally). Tap the center of the scree to stop all motion. Please remix or use with credit. How to use. v
You only need to use the "controller" sprite. The variables "X instruction" and "Y instruction" indicate the direction of the virtual arrow keys. If you want more, read the coment in the Explain sprite.