Firestick — Xmeye For

“Open XMEye from your apps. Log in with your XMEye account. You’ll see all your cameras. Use the remote to select a camera for full screen.”

Open Downloader and enter this URL: https://www.apkmirror.com/apk/xmeye/xmeye/ (latest version) xmeye for firestick

Download the APK and install it.