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".
Elegant Woman at Bal Mabille, Louis Anquetin
Still Life, Corner of a Table, Henri Fantin-Latour
Valley of Mexico from Cerro de Santa Isabel, Velasco