How to use: 1. Click the video to place the tracking crosshair on something that moves.
2. Choose your dot color, then press Play to preview.
3. Press Start — dots fade in and follow the tracked motion. Press Stop to fade them out.
4. When the look is right, press Record & Export MP4 — it replays from the beginning at full resolution. Dots start invisible; press Start when you want them to appear.