Yes we have progress on QR code for wikipedia. As long as you accept that adding a middle man counts as progress. In this case it probably does since the displaying the article in the right language problem has been addressed. The solution does this by going via http://qrpedia.org/ which can also be used to generate QR codes.
And yes there are videos of this in action first in english and then french:
Yes they are standing behind the Rosetta stone. No there isn’t a hieroglyphics version because there isn’t an Ancient Egyptian language wikipedia for various fairly good reasons. The closest would probably be the Coptic test wiki: