File mame.appdata.xml of Package mame
<?xml version="1.0" encoding="UTF-8"?>
<component type="desktop">
<id>mame.desktop</id>
<metadata_license>CC0</metadata_license>
<project_license>GPL-2.0+ and BSD-3-Clause</project_license>
<name>MAME</name>
<summary>Multiple Arcade Machine Emulator</summary>
<description>
<p>
MAME is an emulator designed to recreate the hardware of arcade game
systems in software on modern personal computers. The source code to
MAME serves as this hardware documentation. The fact that the
software is usable serves primarily to validate the accuracy of the
documentation.
</p>
<p>
This package is the combined arcade only build. If you want MESS you must
install MAME-MESS.
</p>
</description>
<screenshots>
<screenshot>
<caption>The main screen</caption>
<image>https://i.imgsafe.org/ccad9dfbd9.png</image>
</screenshot>
<screenshot>
<caption>The settings menu</caption>
<image>https://i.imgsafe.org/ccb7cab3a5.png</image>
</screenshot>
<screenshot type="default">
<caption>Gameplay 1</caption>
<image>https://i.imgsafe.org/ccae6a4856.png</image>
</screenshot>
<screenshot>
<caption>Gameplay 2</caption>
<image>https://i.imgsafe.org/ccb7b1d2ff.png</image>
</screenshot>
</screenshots>
<url type="homepage">http://mamedev.org/</url>
<provides>
<binary>mame</binary>
</provides>
</component>