Question about Amazon Fire TV Stick Lite

As a very good solution and also able to download and install applications from the Google Play Store, I would choose the Google Chromecast with Google TV 4K solution (and not the Full HD version, because that is technically limited and hardly cheaper).

Google Chromecast with Google TV 4K (Google Assistant)

As far as I know, Amazon has its own store. Unfortunately I do not know which apps it has