How to implement the PayPal payment system in an android application without a server?

Question

Android

There is a simple mobile documentation application for android. It is necessary to introduce payment into this application, and by subscription (that is, money will be charged from the user every month). I read a lot about the SDK for android and thought to use the Rest API. It seems that you can make single payments without a server, but you need a server by subscription. My question is whether it is possible to do this somehow without the server part (As I understand it, the server part is needed to generate a token for a specific user) I thought to use Stripe+Parse, but I didn’t figure it out either. Tell me how to do it, I found a lot of things on the Internet. But what I found with the backend goes

Answer 1

Most likely your application will block the market. According to the rules of Google Play, the application must use only the Google payment system.
For the Google payment system, the server is optional. It is mainly used for validating and storing payments.