Know Brainer is a free trivia game that is exclusively available on Android devices with OS compatibility of 9.0 or higher. Developed by Ritori, this game offers a fascinating world of science and facts to its users. The game aims to test the player's intelligence, wit, and intuition, and challenges them to separate facts from fiction.

The game is designed to provide a seamless gaming experience, and it offers mega prizes to the winners. The game is completely free and offers a platform where players can challenge their fellow players and become the brightest star in the internet galaxy. Overall, Know Brainer is an addictive and interesting game that is perfect for trivia lovers.