The download of the app doesn't contain viruses or any kind of malware. Optima is the creator of Нижневартовск СитиФокс which can be found in the Lifestyle category. Google Play shows that the tool is rated 4.5 by its users.
This application has been downloaded and installed by over 50 users and the latest update was released on Sep 27, 2017. It's free to download the installation package of Нижневартовск СитиФокс, also, you can have a look at users' reviews on Droid Informer. The app works fine on Android 4.1 and higher.