Tinker Agent is an app for pre-authorized Distributors, Agents and retailers who are interested to do business with an international calling app called Tinker. The end users can log in to Tinker app using their mobile number. Below is the appstore link for Tinker:

https://itunes.apple.com/in/app/tinker-international-calls/id1378970986?mt=8

We are not using In-app purchase in this app. Credits are given to the distributors directly by the company.