What steps will reproduce the problem? 1. Gimp Paint Studio is not visible on Gnome Software Center 2. 3.

What is the expected output? What do you see instead? Gimp Paint Studio will be displayed on appstream supported app store like Gnome Software Center

What version of the product are you using? On what operating system? 2.0

Please provide any additional information below. The metainfo is attached and ready to use. You can edit it if you need to update the information and it takes very little space (less than 1kb in size). The benefit is huge because it will allow an ease of installation not only for Gnome Software but also other app store like Ubuntu Software Center. You can read more information on http://www.freedesktop.org/software/appstream/docs/chap-Metadata.html#sect-Metadata-GenericComponent about Appstream and http://www.freedesktop.org/software/appstream/docs/sect-Metadata-Addon.html about add-on

Here is another guideline for the metainfo.xml http://www.freedesktop.org/software/appstream/docs/sect-Quickstart-Addons.html