This download is totally safe. Aleri is the official developer of Удвоение that can be found in the Puzzle Games category. On Google Play, the game is rated 3.7 by its users.
This application was downloaded and installed by over 100 users and the most recent stable release was on Feb 24, 2019. Download the installer of Удвоение 3.0 free of charge and have a look at users' reviews on Droid Informer. The app can be launched on Android devices 4.2 and higher.