I’ve seen on TrackerControl this system app (on my grapheneOS) contacting Amazon (amazon.com) and Google (android.clients.google.com, m.youtube.com, play.google.com and www.youtube.com).
What does this app do? I’ve disabled internet access for the time being.
It does, because I’ve tried to install some apps from Aurora store (denying network permission) and then I saw these requests on TrackerControl, so maybe those apps wantend to be opened by default with these links. We are talking about video player apps, so there is no need to default on them for Amazon.