Goethe Uni Frankfurt is the official developer of the tool which can be found in the Educational category. Over 10K users set up this application and the most recent update was released on Oct 30, 2018. Users rated the app 3.8 on Google Play.
Take the opportunity to download the setup package of Goethe-Uni 1.0.7 free of charge and take a look at users' reviews on Droid Informer. The app is completely safe for downloading.