Per-organization 'home page' for azure AD applications

Hi,

our app is generally available at app.product.com where anyone can go and sign up. After that our customers, like the Acme corporation, use the product through acme.product.com.

When we create the App registration the 'home page' for the app obviously has to be app.product.com, but then when the customers click on our app, in the e.g. the app gallery at https://myapplications.microsoft.com/, they are then taking to app.product.com after signing in which is not what they want. Instead they have to manually browse to acme.product.com to interact with the app.

I note that the homepage isn't editable for Enterprise applications, so this isn't something the customers can fix themselves either.

How is this problem best solved?