This download is completely safe. Christina Germann-Chiari developed Die Nachtigall that lies within the Books & Reference category. The average rating for the tool is 4.6 on Google Play.
This application has been downloaded and installed by over 100 users and the most recent update is dated Feb 23, 2015. You can download the installer of Die Nachtigall 1.0 for free and have a look at users' reviews on Droid Informer. The app runs on Android 2.2 and above.