Also - that's not the reason. The reason is because Android is open source and Google allows sideloading. I don't think Google allows Amazon to distribute thei

Also - that's not the reason. The reason is because Android is open source and Google allows sideloading. I don't think Google allows Amazon to distribute their app store through the Play Store, so you have to sideload it. Doesn't solve the distribution problem anyway – the app stores are the shelf