I’ve found that Sponsored Games have taken a large hit in terms of effectiveness specifically from the decrease in visibility and lack of inclusion in all the categories (which they should have been included in every category).
This is definitely something that needs to be revamped - not just specifically the visuals and mechanics of how Sponsors are created but the way they are displayed to the end-user (the ONLY WAY that makes Sponsors worthwhile for internal-development and external-use).
I go into a little more detail here and cover some of the issues that come from this major exclusion: