This article will show you how to set up and use the app on your phone. It will also list the requirements for your device in order to use the official Fire TV Stick remote app to control Fire TV Stick, Fire TV, and Fire TV Cube devices.
Fire TV Stick: How to Use Your Phone as a Remote! [iPhones & Android Setup]
Once you’ve downloaded and installed the Fire TV Stick remote app on your phone or compatible tablet, you’re ready to set it up with your Fire TV. To do this, you’ll need access to both your Fire TV and your phone.
Here's how to set up the Fire TV Stick remote app:
Launch the Fire TV Stick remote app.