The challenge is to try not to laugh Turn on your camera and try not to laugh in this game for as long as possible. Keep your face serious, because as soon as you laugh, smile or grin, time stops and the game is over. The app will turn on your device’s front camera to track your face. Latest face detection technology and computer vision (Google's Mobile Vision face API) is used to detect in real-time if you are laughing or smiling. We challenge you to try not to laugh for as long as possible. B