The app contains 120 multiple-choice questions relating to the Titanic and is designed to be played with up to four people (or teams) on the same device, at the same time, which makes it great for the classroom.
If you've got a videoprojector, you could use this app with a whole class. Divide the class into four teams and begin the quiz. There is a problem, however. As soon as one player selects an answer, his score is modified, so the other players will know if the answer was correct or not. This means that you'll have to get all the players to enter their answers simultaneously. It would be much better if the scores were not updated until all the players had answered.