“Riddles on Backboard” is a puzzle game with 50 logic and graphics enigmas.
The originality of the game is that there is nothing to touch or move. You only have to carefully observe the directions drawn on the board to enter the answer in the form of a digital code.
Do not be afraid to go to the blackboard!
Android only:
http://play.google.com/store/apps/details?id=fr.bitlines.wisdom.blackboard