No revenue estimate for APPLE — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Windosill

Explore a dream-like world of ten mysterious vistas in this touchscreen classic. Equal parts puzzle game, physics toy box, and living picture-book, Windosill's animated, interactive world is meticulously constructed to reward playful investigation. Designed to be experienced in a single sitting (anywhere between 20 minutes and 2 hours), Windosill is suitable for curious children and imaginative adults alike.