According to the antivirus report, the app doesn't contain viruses or any kind of malware. KVE is the developer of Азербайджанский разговорник that can be found in the Educational category. Google Play shows that the tool is rated 3.7 by its users.
This application has been downloaded and installed by over 10K users and the latest update is dated Nov 16, 2018. The app has adverts. It's free to get the .apk file of Азербайджанский разговорник and you can check out users' reviews on Droid Informer. This application installer requires 2 MB of free space to work fine on Android 4.0 and above.