How to play:

• Press "Start Handtracking" (it takes a few seconds to load everything in)
• 🖐 Face your palm towards the screen to move the pointer
• 👌 Pinch your thumb and pointer finger to drag blocks around

Links:

• See the source on Glitch
• Get the code on GitHub
• See the docs at Handsfree.js.org (still a work in progress 😅)
• Follow me on Twitter @midiblocks