Hidden Puzzle - Red Circle

Lower Left Branch Red Circle

This circle is unlocked by tapping repeatedly on a blank area of the screen until the game prompts you and the circle appears. The puzzle presents you with this screen with a handle that moves down

Solution: To complete this puzzle you need to turn the phone off while on this screen. So find a time when you don't need it to be on for a minute or 2.

Once you turn the phone back on and return to the game the puzzle will be complete.