A free program for Android, by Scholarr.
Quiztopia is a fun app for all ages. It is designed to make learning fun and interesting. With a variety of different game modes, quizzes, and a wide range of different topics to choose from, you will never get bored.
For starters, all you need to do is choose a quiz topic that interests you, and then select a mode. There are four different modes to choose from: multiple-choice, true-false, image-based, and arrange-rearange.
Once you have selected a topic, you will be presented with a series of questions. You need to answer as many of them as you can in order to receive a higher score.
You can view your score and answers at any time.