Google's Android Web Payment Interface

This is related to native messaging for Android:
https://docs.google.com/document/d/1izV4uC-tiRJG3JLooqY3YRLU22tYOsLTNq0P_InPJeE

An interesting detail is that Google supplies the certificate chain to the called app.
This is a thing I specified for the Web2Native Bridge from the beginning which is missing in Chrome's Native Messaging concept.

Anders