In order to work (see BT notifications on desktop) you need the companion app for desktop (Linux):

https://github.com/RomascuAndrei/holylion-linux

A BT notifier app used in remote devices (deskop) notifications through bluetooth anywhere you want them!

Especially useful for seeing notifications on your computer.

More info and license and copyright information available here:

https://github.com/RomascuAndrei/BTNotifierAndroid