/usr/share/applications/mousetrap.desktop is in gnome-mousetrap 0.4-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | [Desktop Entry]
Encoding=UTF-8
Name=MouseTrap
Comment=Controls the mouse via Webcam.
Exec=mousetrap
Icon=mousetrap
Terminal=false
Type=Application
StartupNotify=true
Categories=Utility;GNOME;GTK;Accessibility;
|