Are you bored of the standing Firestick screensaver? Follow the steps below and you can choose whichever screensaver you like.

I have included some good screensaver to try out.
(APK at the bottom of the page)
1. From the Main Menu scroll to hover over Settings.

2. Click My Fire TV.

3. Choose Developer Options.

4. Click Apps from Unknown Sources.

5. Choose Turn On.

6. Go to About — Network and confirm your IP Addresss

Install the APK from the link below
Software Needed
TDUK Screensaver Manager (Use on Any Amazon Device with FireOS6 and higher)
Aerial Views (Feb 2023 Update)
Personal Photos & Video Screensaver
ADB Command If you want to do this on a FireOS 5 Device
pm grant com.wolf.arlscr android.permission.WRITE_SECURE_SETTINGS