Use video sensing to wave your hand over the stains and clean them up. Works better in full screen mode 1- Allow acces to your camera if needed 2- You have to wave over the stains with your hand vigorously to make it shrink and then disappear. 3- You have 30 seconds to clean 7 stains.
Didn't realise that there was vid recognition until recently and have been excited about it ever since. This is my first attempt with it. Any bugs let me know. Seems to have a few bugs will continue to work on it