Merge pull request #857 from finn-wa/fix-flathub-appstream-errors

Update AppStream file to meet FlatHub requirements

RELEASING.md

@@ -19,3 +19,5 @@
 6. Attach the artifacts to the release page and publish it.
     Don't forget to also create a PR for this release in
     https://github.com/UltraStar-Deluxe/ultrastar-deluxe.github.io
+7. Create a PR in [the FlatHub repository](https://github.com/flathub/eu.usdx.UltraStarDeluxe) that updates the tag and commit values
+    See this PR for an example: https://github.com/flathub/eu.usdx.UltraStarDeluxe/pull/7/files

dists/ultrastardx.appdata.xml

@@ -3,35 +3,39 @@
   <id>eu.usdx.UltraStarDeluxe</id>
   <metadata_license>CC0-1.0</metadata_license>
   <name>UltraStar Deluxe</name>
-  <summary>Karaoke program that evaluates your performance</summary>
+  <summary>Karaoke for your PC</summary>
   <description>
     <p>UltraStar Deluxe is a free open source karaoke game for your PC. It records the voice of the players and gives points if they hit the notes. Unlike the commercial alternatives, UltraStar Deluxe allows users to add their own songs.</p>
   </description>
   <project_license>GPL-2.0</project_license>
+  <developer id="eu.usdx">
+    <name>UltraStar Karaoke</name>
+  </developer>
   <url type="homepage">https://usdx.eu/</url>
   <url type="bugtracker">https://github.com/UltraStar-Deluxe/USDX/issues</url>
   <url type="translate">https://www.transifex.com/usdx/usdx</url>
   <screenshots>
     <screenshot type="default">
       <image>https://usdx.eu/images/screenshots/song_6_player_projectm.jpg</image>
+      <caption>A karaoke session with six players</caption>
     </screenshot>
     <screenshot>
       <image>https://usdx.eu/images/screenshots/main_menu.jpg</image>
+      <caption>The main menu</caption>
     </screenshot>
   </screenshots>
   <launchable type="desktop-id">ultrastardx.desktop</launchable>
   <content_rating type="oars-1.0" />
   <requires>
     <control>voice</control>
   </requires>
-  <supports>
+  <recommends>
     <control>keyboard</control>
+  </recommends>
+  <supports>
     <control>pointing</control>
     <control>gamepad</control>
   </supports>
-  <recommended>
-    <control>keyboard</control>
-  </recommended>
   <releases>
     <release version="2024.5.1" date="2024-5-18" />
     <release version="2024.3.0" date="2024-3-2" />