Please, open this webapp from a laptop/desktop PC This is a small project to experiment with the HTML Drag&Drop API. The goal is to create a node-based programming interface. Real-world use cases for such types of UI are far more complex than this demo, and they’re usually not meant for small devices. The JS is centered around mouse events - it wasn't tailored for touch events. P.S. DO not TOUCH the cat. He is antipatico.