ToTalk is an android app which you can call any numbers around the world without revealing your real number. When you call someone, they will receive your call as private number or any four or five digits numbers and we have integrated credit system so users can earn credits by watching Video Ads, Check-In, Invite freinds or Buy credits through android in-app billing. Users can use this credits to call. Also we integrated backend panel for managing your credits, call rates, Billing api information, ads managment, ads managment etc.

Demo: https://codecanyon.net/item/totalk-world-wide-free-calling-android-app-with-web-panel/31347433