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".
Madonna and Child, Andrea del Verrocchio
The Feast of Herod, Donatello
Seaport with the Embarkation of the Queen of Sheba, Lorrain