/usr/share/applications/mah-jong.desktop is in mah-jong 1.11-2+b2.
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 | [Desktop Entry]
Name=Mah-Jong
GenericName=Classic Mahjong game
Comment=Play classic Mahjong puzzle game
Type=Application
Exec=xmj
Icon=mah-jong
Terminal=false
Categories=Game;BoardGame;
|