The new and improved Prime Video app will be available on all Apple TV devices globally, including the original Apple TV HD ...
Go to the settings menu, and click on Stream and Download or Streaming and Downloading options. You will see Download Quality. Click on it, and you will see different quality settings like Data Saver, ...
Furthermore, the Prime Video website and app interface can be set to different languages, making navigation and settings easier ... and more without leaving the screen or pausing the content.
Ignore the shows and films taking up most of the screen ... (If you're inside the Prime Video mobile app, you can click on your user icon, the 'Settings' cog icon, and then 'Registered devices ...