Wikipedia
MomentCam (Chinese: 魔漫相机; pinyin: mó màn xiàngjī) is a mobile app developed by China-based Hightalk Software Corp. that was launched in 2013 for Android and iOS. It allows users to create and share customized caricatures and emoticons that can be shared across Facebook, Instagram, Twitter, QQ, Weibo, WeChat, WhatsApp and others.
The photo-taking and editing app comes with a range of customizable options to transform a photo of a user into a comic character. It uses advanced facial recognition to plant a user's face into a caricature or emoticon and with various abilities like choosing a hairstyle and adjusting the face shape.
As of November 2015, the app had been downloaded over 300 million times and had over 20 million monthly active users. Its highest new user activation in a single day was 3.25 million.