Tested on 3.18.1
- Copy
trackma.desktop
into~/.local/share/applications/
folder. For all users, put it into/usr/share/applicacions/
. - Download icon (available here) and copy it into
~/.local/share/icons/hicolor/128x128/apps/
folder. For all users, change~/.local/
by/usr/
. - Reload
gnome-shell
by restarting your system.