/usr/share/applications/nestopia.desktop is in nestopia 1.45+dfsg-1.
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 | [Desktop Entry]
Name=Nestopia
Comment=Accurate NES Emulator
Exec=nestopia
Icon=nestopia
Terminal=false
Type=Application
Categories=Game;Emulator;
|