Recordings of real motion, for tuning how each phone game reads a swing or a throw. Pick the game, pair a phone, pick what you are about to do on it, record, download it here.
Use the camera app. It opens the lab's phone page for the game and links by itself — same Wi‑Fi as this laptop.
The phone will display a second code. Hold it up to this laptop’s camera.
This screen looks like a TV, and a TV has no camera, so the other way — your phone showing a code back to this screen — cannot work here. What usually fixes it: put the phone on the same Wi‑Fi (not a guest network, which often stops devices reaching each other), then press START OVER for a fresh code.