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".
Portrait of Franz Marc, August Macke
Aurora Borealis, Frederic Edwin Church
Mademoiselle Guimard as Terpsichore, Jacques-Louis David