IIRC, refund was mentioned but absolutely no mechanism (legal nor financial) was in place to ensure it happened, relying on the failing company's obligations to suffice. That doesn't work too well when the whole point is the one entity tasked with performing the refunds doesn't have any money (anymore) or means to do so.

I'm wondering myself, having payed into a project which keeps promising "almost there" and nearly a year late shows little more than a video of a lame prototype unlike what most backers expect. Trying to stay optimistic, but resigned to it falling thru - and there being no money remaining to refund.