This is a free open source application with no advertising and no special permissions. It is a flashcard-type quiz. You pick a word set, and then are given a key word, either in English or German. There and four choices, one of which is the correct translation. The orange bar at the bottom shows your progress through the set.
You are able to get the setup package of Open German 1.0 free of charge and have a look at users' reviews on Droid Informer. The app requires Android 4.0 and higher. The download of this application is 100% safe. The tool was originally designed by JoeMorris and it refers to the Educational category.
The developer rolled out a new version of Open German on May 22, 2016 and over 100 users downloaded and installed the app. The average score for this application is 4.5 on Google Play.