So in mobile phone Game (Android, iOS), PC game, how to implement that (title)?
In game, game company's specific crypto currency's address, QR code appears for payment receiving,
gamers see that, and send amount to that address, it should be automatically recognize and when it confirmed, game should automatically give item to users.
How this be done technically behind the scene?
It is all automatic in scripting your personal account have a personal payment addresses that will technically credit your account once a certain amount of funds was transferred to it, the steam have a built in data which also tracks your progress for example in dota2.
Look on the
copper membership it has the same concept of automation.