I think this is, at least, interesting:

http://www.ibtimes.co.uk/reddit-users-want-replace-steam-open-source-game-launcher-project-ascension-1498999

Worth the read?
Worth investigating?
Worth contacting them?
Worth encourage them?
Worth helping them?
Worth try to influencing them to something?
Worth try to "merge" this effort with "GNOME Games"?

Any other thoughts about this?