/usr/share/app-install/desktop/kblocks:org.kde.kblocks.desktop is in app-install-data 15.10.
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 11 12 13 14 15 16 17 | [Desktop Entry]
X-AppInstall-Package=kblocks
X-AppInstall-Popcon=74
X-AppInstall-Section=universe
Name=KBlocks
Icon=kblocks
Exec=kblocks -qwindowtitle %c
Type=Application
X-DocPath=kblocks/index.html
GenericName=Falling Blocks Game
StartupNotify=true
X-DBUS-StartupType=Multi
Categories=Qt;KDE;Game;ArcadeGame;
X-DBUS-ServiceName=org.kde.kblocks
X-Ubuntu-Gettext-Domain=app-install-data
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