The download of the app doesn't contain viruses or any kind of malware. Bundesagentur für Arbeit is the creator of Faktor A which can be found in the Business category. On Google Play, the tool was rated 3 by its users.
Over 1K users downloaded and set up this application and its latest release was on Oct 4, 2017. Get the installer of Faktor A 1.0.5 that is available for free and have a look at users' reviews on Droid Informer. The app is built for Android 4.1 and above.