Jonathan Gottfried, a Developer Evangelist at Twiilio and oddly the guy who made GlassTweet for Google Glass spotted a tweet from @MogroothMuddler which came from an application called "Twitter for Glass". The account no longer exists so we would guess that nobody was supposed to stumble on it. If real this means Twitter is testing an official app for Glass in the wild. But we'll have to wait for an official word from the company to find out.
— Jonathan Gottfried (@jonmarkgo) April 29, 2013