A: Please keep in mind that it is necessary to have some basic German knowledge in order to practice German with this app. This app is a great platform to practice the German grammar as much as you need. Q: What languages are supported in this app? A: The menu is available in German and English depending on your standard language setting. The German grammar questions are naturally German only. Q: Are there grammar explanations to the exercises? A: This app focuses on practicing grammar and does not contain any explanations. We recommend you use your books in combination with this app. Q: Are there vocabulary exercises available? A: The app comes with over 22.000 grammar exercise which do not contain vocabulary exercises.