Leben in Deutschland 2019 is an Android application developed by EMA group that provides a catalog of 310 questions for the "Leben in Deutschland" test. This test is a prerequisite for those who want to apply for German citizenship or a permanent residence permit. The app contains both general questions and state-specific questions that are relevant only for the particular Bundesland.

The app is free to download and use, and it provides a convenient way to prepare for the test. The questions are well-organized and easy to navigate, and you can choose to answer them in a random order or by category. The app keeps track of your progress, and you can review your answers to see which questions you got wrong. Overall, Leben in Deutschland 2019 is a useful tool for anyone who is preparing for the "Leben in Deutschland" test.