How to change owner of an appengine application (moving/selling it to a new company)

Question

I have developed an AppEngine application that I am transferring to a different company, and I would like to remove my own personal access from this application after the transf

Answer 1

You could try having the new owner of the application to create a new application on appengine.google.com, that should trigger the SMS verification flow if their account is not yet verified.

If they have any issues verifying their number, they should use the form linked at the bottom of the SMS Verification for App Creation FAQ.