A free program for Android, by the binary family.

Have you ever wanted to test your knowledge? Here’s the perfect quiz game for you! Knowledge Trainer: Trivia is an engaging game that will not only improve your memory, but also make you more intelligent. There are many different levels of difficulty, from very easy to extremely difficult. The questions are organized in different categories, such as history, science, literature, art, sports, music, etc. The questions are not timed, so you can take your time to think of the right answer. The more correct answers you give, the higher your score will go!

The app is designed to be fun and educational, which makes it perfect for the whole family.