Given Microsoft is using/embracing Amazon's replacements for "Google Play Services" isn't the threat here more that Amazon might finally extend Android after a decade of trying and failing?
(Whether or not you agree that "Google Play Services" is already that EEE play, the incumbent, seemingly not going anywhere, and Microsoft/Amazon are playing underdog in this game.)
(Whether or not you agree that "Google Play Services" is already that EEE play, the incumbent, seemingly not going anywhere, and Microsoft/Amazon are playing underdog in this game.)