See this project: https://play.google.com/store/apps/details?id=com.codesyntax.tribual

Trivia quiz game developed by CodeSyntax. This free app is available in English, Spanish and Basque. The player gets a set of 5 random questions. Every set of questions is answered by 2 players, and they compete with each other.

Launched on June 2015, Tribual has more than 120,000 questions, created automatically, and there have been played more than 280,000 games.

Download Tribual

Android: Get it on Google Play

iOS (only in Basque):