Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Gudak Cam - Disposable film camera in your iPhone
Pixel Art Studio - A purpose-built drawing tool for pixel artists
Authenpic - A disposable camera on your phone. No retakes.
Pixilart - A drawing app for delightfully retro pixel art
MeshCanvas - MeshCanvas is a stackable canvas and photo board application that turns your images into ready wall canvas art.