This app detects via the camera, if the user has his arms raised or not. By displaying and saying objects, the user should raise his arms, if the object can fly. If the object cannot fly, the user's arms should stay down. If doing this movements right, the user collects points.
Code for blog post: https://golb.hplar.ch/2019/01/pretrained-models.html Online Demo: https://omed.hplar.ch/tfjs-models