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".
Lodge on Lake Como, Carl Frederik Aagaard
View of the Bridge at Sèvres, Henri Rousseau
Oberon, Titania and Puck with Fairies Dancing, William Blake