Biblionary or Millionaire Bible is a game app developed by UDIB. It is a trivia game that challenges your knowledge of the Bible. The game has three levels, each with five questions, and offers three wildcards to help you when you're stuck. The app is available for free on Android devices running Android 9.0 or later.

The game requires players to answer 15 questions correctly from the Bible. Players can use three wildcards: Pass the question, 50:50, and Check the Bible. Biblionary awards points for each correct answer, and players can accumulate points to earn achievements. The game aims to motivate players to celebrate the International Day of the Bible and improve their biblical knowledge.

Biblionary has a user-friendly interface and is available in both English and Spanish. You can share your points with friends and family and compare your scores. Overall, Biblionary is a fun and engaging way to test your knowledge of the Bible, and it's suitable for people of all ages.