>>Dylan1+(OP)
Why is that Google's fault? Amazon could use the Play Store to update the app, the same way that Netflix, Hulu, etc. does. Amazon doesn't want to because they want people to use their own Android platform. Except their Android platform is awful. They have no idea how to run a store (which is a hell of a liability for an ecommerce company, but their infrastructure and fulfillment processes are so top notch and their margins so small that everyone just routes around it when it comes to buying books or whatever else). They make regular Android OEMs look prompt in how long it takes them to incorporate updates.