in-app-purchase
How to best save InApp purchase status locally?
I too was making the same investigations, but during my testing I figured out that you do not need to store it, as Google do all the caching you need and I suspect (though I have not investigated it) that they are doing so as securely as possible (seeing as it in their interest too!) … Read more
Is it possible to debug locally Google Play’s in-app billing in Android Studio?
EDIT: This is now superseded by the newly accepted answer. In essence, in-app billing payments can only be tested with a release-signed apk (the one we upload to Google Play Console). Here are some steps that got me attached to a signed apk with Android Studio: I’m on Windows. It helps having adb.exe in the … Read more