In the meantime, Mojo Vision have admitted that they can't get the lens to work
Have they, or is that just a cynical interpretation?
It is an interpretation, but I would not call it a cynical one.
If you read their "new direction" announcement, it is the usual weazel story: "We have made great progress, but the mean capital market does not want to fund further development -- not our fault if course, but due to the global economy." Yeah, sure. They are years past their target launch date, and all they got is this "prototype" they shopped around last year.
Why haven't they demonstrated the thing switched on, projecting something, onto a white screen on the bench, a single time? That promo video they produced is
very carefully worded to avoid saying what actually "worked" in the prototype...
Edit: Trying to get the Vimeo link to display...
https://vimeo.com/725030619/9cbd6749ad