That's more likely because Google won't let them add it, not because Amazon wants to block it. Google Play is a proprietary service and they like to use it a a

That's more likely because Google won't let them add it, not because Amazon wants to block it. Google Play is a proprietary service and they like to use it a a threat to force OEMs to cooperate. I don't see Google allowing it on a heavily customized OS that's barely "Android" at all.