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".
Brown and Silver, Old Battersea Bridge, James Whistler
The Parasol, Francisco Goya
Equestrian Portrait of the Count-Duke of Olivares, Velázquez