I developped an Air App controlling the QR code Reader, the user inputs, the touchscreen interractions and a SQLite database.
It's a touchscreen controlled game activated by a QR code previously sent to the client.
When the game starts, the client needs to enter more information ...
... then he scrolls the image by a swipe on the screen.
If it stops on a road sign, the player/client wins a reward for his city.