QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax
Sleep Time - Alarm Clock - Sleep Time provides insight into your sleep patterns. By tracking your level of movement throughout the night, Sleep Time generates customized sleep data in easy-to-read charts.