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".
The Starry Night, Van Gogh
Man with a saluki
Notre-Dame street, Paris, Johan Bartold Jongkind
Rue Halévy, From the 6th Floor, Gustave Caillebotte