The current graphical interface for PackageKit, gpk-update-viewer and gpk-application, found on Gnome Shell for Fedora 19 will be replaced by Gnome Software in the 20 release. Running the early version through virtualization shows the potential of become more user-friendly. The appearance is a mix of early Google Play formely Marketplace and Ubuntu Software Center itself derived from Linspire Click-n Run
The category is much better structured in, for instance, Graphics grouping sub-categories like Photography. Currently, Gnome Software is still in progress but functional enough to do install/update/remove.