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".
Hunting Birds at Night, Jean-François Millet
The Star of Bethlehem, Edward Burne-Jones
Charge of the Lancers, Umberto Boccioni
Leopold William in his paintings gallery, David Teniers