Complete the game to unlock the "Bonus Images" and "Director's Message" options. The "Bonus Images" option allows you to view pictures of character artwork and of the development teams. The "Director's Message" option plays a message from the development team's director, Charles Cecil.
While George is outside Rue Jarry, drag the sewer key on to the apartment's door and then to the old woman at the flower stall. Once done, tap on the second window located at the apartment's third floor. You will see a room that is based on "Beneath A Steel Sky", Revolution's second game.