Connect your index finger tip and thumb tip (like 👌) to create 3D balloons. 👌 pinch to draw balloons | 🖐️ open palm wave for wind | ✊ hold 3s to clear | ✌️/👍 hold 3s to toggle theme. If gesture briefly jitters, countdown keeps running unless it changes for ~0.18s.
🔒 All processing runs entirely in your browser — camera footage is never uploaded or shared.