You can download this free class B driver's license test app for android. With this app you can prepare for the theoretical driving test on the go or at home on your Android smartphone. The app currently contains a total of 1080 questions (36 tests, each with 1-20 basic material and 21-30 class B questions) from the current official catalog of questions from TÜV and DEKRA for vehicle class B. You can also use the app to learn German at the same time .