Snapchat - Real-time picture chatting
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
WebcamMax - Add videos, pictures and effects to virtual/real webcam and broadcast on messengers. It works on all webcam programs and thousands of effects are available. You can share your screen or play movies for others.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Facebook Masks - Spooky augmented reality masks on Facebook Live 💀
Talalarmo - Minimalistic android alarm