Gnome shell does not have and traditional application menu which TLDC relies upon, it does have same kind of new fancy "lens" approach as Unity for searching / starting application. We need to investigate how we could apply customization made using TLDC on a gnome shell desktop.
*** This bug has been marked as a duplicate of bug 5210 ***
*** Bug 5210 has been marked as a duplicate of this bug. ***
See bug 5370, our TAG claims that TLDC supports gnome.
A note about GNOME Shell not working with TLDC was added as part of bug 5370. Supporting GNOME Shell in TLDC was not investigated.
See bug 5767 for Gnome 3 (Classic).