Обучение чтению has been checked for viruses and it has been found completely safe. The tool has been originally created by Irinobi and it is included in the Educational category. Google Play shows that this application is rated 4.3 by its users.
The latest update was on Jan 12, 2015 and the app was downloaded and set up by over 100K users. It's free of charge to get the .apk file of Обучение чтению and you can check out users' reviews on Droid Informer. This application installation package requires 18 MB of free space to work fine on Android 4.0 and above.