Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Print Studio - No hassle printing from your desktop or mobile
Pixel Studio - The Pixel Art Is Always Fun
UnfoldPrints - UnfoldPrints is an app that allows you to make photo collages and order them to print.
Piskel - Piskel is a website where designers online create sprites or pixel art.
Picta Photo Print - Picta Photo Print is an app that allows you to place an order for online photo prints.