This download is totally safe. ПАО "ВымпелКом is the official developer of the app which can be found in the Entertainment category. The latest release was on Nov 5, 2019 and Замени гудок was downloaded and set up by over 100K users.
People rated this application 3.5 on Google Play. It's free of charge to download the installation package of Замени гудок, also, you can read users' reviews on Droid Informer. The app works fine on Android 4.4 and higher.