I use Snapseed on Android. It's a practical app with many photo editing tools
I like how I can edit my photos here,
Gudak Cam - Disposable film camera in your iPhone
VSCO - VSCO® is an art and technology company empowering people everywhere to create, discover, and connect. CompanyVSCO® is a trendsetting art and technology company that .
WhiteAlbum - A disposable camera on your phone, printed & shipped to you
PicsArt - Explore 100,000,000+ awesome images and photos on the web
Authenpic - A disposable camera on your phone. No retakes.
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.