Please elaborate. nothing on the article mentions cookies or the technology used to collect this information. Or I am expected to have read the entire set of documentation?

Google Analytics is for websites viewed in browsers. This is distinctly for apps. The tracking is by means of an SDK compiled into your mobile app. They serve entirely different audiences.

Google Analytics is also for mobile apps and has been for a few years. https://developers.google.com/analytics/devguides/collection...

I came to the comments looking for a comparison. No such luck.

Well my bad there! Didn't know they had even launched that future. That being said, the Amazon offering seems to be exclusively designed for mobile, instead of an add on to a web property.