I read a couple of reviews earlier tonite. It uses ultrasonics, not a digitizer pad, which is probably a patented technique. the reviews said it worked well on the screen also. I don't know if it will work with MSP though as is or if specific coding is needed.
Dell Latitude 13.5" 2-in-1 Ubuntu/Win 11
Samsung Note Pro SM-P900 12.2 Android 5.0.2
Samsung S7+, Android 12
Samsung Note Pro SM-P900 12.2 Android 5.0.2
Samsung S7+, Android 12