Migrating an Existing Play App Onto Wired-In BillingClient 6.2.0 (Aura Pro Takeover Notes)

Most "sell your Android app" writeups stop at upload an APK . The part that actually decides whether the app makes money starts after the listing goes live: the subscription products exist, the billing client is wired, and a purchase made on a phone you hold reaches your merchant account without you touching it.

This is a technical walkthrough of that second half — using the Aura Pro package ( $299.99 , https://reggiebro.github.io/WorkflowAlpha.ai/landing/ ) as the concrete example, because it's the only Android app package I've seen that ships the billing integration as finished code rather than a TODO comment.

Every product page on https://reggiebro.github.io/WorkflowAlpha.ai/ has a working interactive demo you can type into before paying.…