/usr/share/menu/powermanga is in powermanga 0.90-dfsg-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | ?package(powermanga):needs="X11" section="Games/Action" \
title="Powermanga" command="/usr/games/powermanga" \
icon="/usr/share/pixmaps/powermanga.xpm"
|