ZUtA Labs - Pocket robotic mobile printer
UnfoldPrints - UnfoldPrints is an app that allows you to make photo collages and order them to print.
CHEERZ – Photo Printing - CHEERZ – Photo Printing app lets you print photos from Instagram, Facebook, and other memories from your phone with few steps.
Sprocket Printers - Create instantly stickable photos in seconds
Print Studio - No hassle printing from your desktop or mobile
Photo Prints Now - Photo Prints Now is a service that allows you to order online photo prints via their app or website.