Face++ - API for face detection – also detects gender, age, pose
Brillar - Bring glitters, stars and sparkles to your videos and photos.
Facesoft - The world's most accurate face recognition algorithm
Snap Photo Editor - Snap Photo Editor – Collage Maker & Pic Editor created and published by CVInfotech for Android and iOS devices.
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook
A Color Story - The photo app to colourize your life