Hello! My name is Alina, and I'm an experienced Android developer. I understand what you're looking for - an experienced Android developer to update the Google Play Billing version in your Android Studio project. Specifically, you need someone with expertise in Android Studio and Google Play Billing who can troubleshoot and fix any issues related to the billing process.
I have the necessary skills and experience to tackle this project - specifically strong understanding of app development and the Google Play Store guidelines along with experience in implementing in-app purchases and subscriptions using Google Play Billing. Additionally, I have ability to debug and fix issues related to payment process errors or subscription management issues.
If you're interested in having me work on this project please don't hesitate to reach out with any questions or requests for further details!