Use arrow keys to move the camera or activate the joystick from the menu.
You can zoom from the menu or press keyboard keys "Q" and "A".
To change the number of pieces select the horizontal and vertical amount from the menu and then press "Create".
Fountain at the Villa Medici, Maurice Denis
The kiss, Gustav Klimt
Leith, Telemaco Signorini
Stained glass window from Saint Austremonius church, France