The companion app can be installed directly from the app store on the Fire TV by searching for 'Remote for Fire TV' or you can side load it via the links below.
Note: You will need to view this page from a PC to download and install this file.Here is the page URL: http://wp.guidology.com/remoteftv/Here is the APK: http://wp.guidology.com/remoteftv/remoteftv.apk
Settings - System - Developer options-or-Settings - Device - Developer optionsADB Debugging: ENABLEDApps from Unknown Sources: ENABLED
Settings - System - About - Network-or-Settings - Device - About - Network
Please verify that you have the latest version of the app installed on the Fire TV. Assuming the latest version is installed a restart of the Fire TV will likely resolve the issue.Note: The main Fire TV user interface does NOT support a mouse so it must be navigated via the d-pad buttons.
If you continue to experience issues please contact support via the email address below.