Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Gudak Cam - Disposable film camera in your iPhone
Pixel Studio - The Pixel Art Is Always Fun
WhiteAlbum - A disposable camera on your phone, printed & shipped to you
Piskel - Piskel is a website where designers online create sprites or pixel art.
Authenpic - A disposable camera on your phone. No retakes.