Hints for jovie in xenial

jovie/4:15.12.3-0ubuntu1: jovie.desktop ⚙ amd64 ⚙ armhf ⚙ i386 ⚙ s390x ⚙ arm64 ⚙ ppc64el ⚙ powerpc

missing-desktop-file
Found an AppStream upstream XML file, but the associated .desktop file is missing. This often happens when the .desktop file is renamed, but the <id/> tag of the AppStream metainfo file is not adapted as well, or if the metainfo file is located in a different package than the .desktop file.
Please fix the packaging or work with upstream to resolve this issue.

icon-not-found
The icon 'preferences-desktop-text-to-speech' was not found in the archive. This issue can have multiple reasons:
- The icon is not present in the archive.
- The icon is in a wrong directory.
- The icon is not available in a suitable size (at least 64x64px)
To make the icon easier to find, place it in /usr/share/icons/hicolor/<size>/apps and ensure the Icon= value of the .desktop file is set correctly.
gui-app-without-icon
The GUI application (application which has a .desktop file for the XDG menu and Type=Application) with AppStream-ID 'jovieapp.desktop' has been found, but we could not find a matching icon.