The second image is for Return the Balls. This is the most interesting of the lot. The yellow circles indicate how a ball in that row can travel, perhaps 2 up or 1 down. Naturally, get the purple ball to the purple ring....etc. Also 50 free levels - solved them pretty quickly. Though I imagine the more advanced levels could get pretty tricky.
The last image is for the game Turn the Wheels. This is very interesting. The goal is to turn each wheel to 0 at the same time. Tap on, let's say green, and it will rotate 90 degrees. See the tiny blue and red circles with 3's next to them? They will turn 270 degrees on green taps. Quite tricky. I like.