Calibration
Hold your fingertip steady at screen centre.
Good light, face camera. Lock in within a few seconds.
Waiting…
Great job! ✅
Pairs completed: 0
Pairs: 0
Time left: 00:30
Target: A
How to Use
- Tap Toggle Webcam and allow access.
- Hold your fingertip steady during calibration until it locks in.
- Press Start - you’ll hear 3 short beeps and a “Go!” tone.
- Move your blue dot to dot A first, then dot B. A new pair spawns after both are hit.
- Get as many pairs as possible in 30 seconds. You’ll hear a chime at the end.
