/usr/share/menu/xshisen is in xshisen 1:1.51-4.1+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(xshisen):needs="X11" section="Games/Board"\
title="xshisen" command="/usr/games/xshisen"
|