The download of the app is safe and secure. Čj was originally developed by Ant. Vonderka and it is listed among the Educational category. The tool has been downloaded and set up by over 100 users and its most recent update was released on Mar 10, 2017.
This application has the overall rating 4.7 on Google Play. Get the installation package of Čj 15.0 free of charge and have a look at users' reviews on Droid Informer. The app works flawlessly on Android 4.0 and above.