Netflix streaming features on supported devices include:
Navigation
Search for titles by tapping the Search
button in the upper right corner of the app. You can also scroll through rows of recommended genres on the home screen, or browse all genres using the menus near the top. To fast forward or rewind, tap anywhere on the screen, then slide your finger either forward or backward along the progress bar. Press the back 
button to stop watching.
Subtitles & alternate audio
During playback, tap the Audio & Subtitles
button icon at the top of the screen to configure subtitles and alternate language audio.
Picture-in-Picture
Some Fire tablets allow you to watch Netflix while using other apps. Not all Fire tablets support this feature. For help with Picture-in-Picture, contact Amazon or go to their support site.
Downloads
You can download TV shows and movies to watch when you aren't online. Go to our article to learn more about downloads.
Note:Downloading is supported on tablets with Fire OS version 5 or later.