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".
Self-Portrait, Yawning, Joseph Ducreux
The Dinner at the Ball, Adolph Menzel
The Rocky Mountains, Lander's Peak, Albert Bierstadt