Tracker + Flash Ball Patient Mode — parameters locked Start Pause Reset Speed + Upper‑Right Upper‑Left Lower‑Right Lower‑Left Score: 0 | Misses: 0 | Level: 1 | Speed: 60 px/s Copy Patient Link Flash Ball X (0–100%) Flash Ball Y (0–100%) Flash Duration: 1.0s (0.5–10) Random Interval Min: 3.0s Random Interval Max: 8.0s Add Flash Ball Start Flashing Hint: the flash ball auto-adjusts to stay OUTSIDE the selected quadrant.