Brief Introduction to photo app in windows 8.1 http://www.mobiletweaks.net Next tutorial here: http://www.youtube.com/watch?v=JjruUacDUt8.
Photo app in Windows 8.1
Top 5 Best Photo Editing Apps (Free) for Android
What's new in the Photo App in iOS 8
Diana Photo - iPhone and Android App
A Beautiful Mess Photo App Tour
The 5 Best Android Camera & Photo Editing Apps