Call Controller is an Android based utility app for incoming calls. App is having the functionality to change phone's silent state to ringing mode for specific contacts. App is designed to change the phone state, from silent to ringing, when your favorite contact calls on your number. App is having functionality to mark any contacts as favorite.
This download is completely safe. Dotsquares is the official developer of this application which can be found in the Tools category. Users rated the app 4.9 on Google Play.