Emoji Face is an iOS app that uses the front facing camera to detect emotions, map that emotion to an emoji, then warp / transform the emoji image to the user’s face.. in real time.
This project is still pretty messy due to tight time constraints.
See video at: https://drive.google.com/open?id=0BxmMkNi5YufZR3B4WGwtZFVhTFU