Other good ideas:
- point at a board game and either do all the boring scorekeeping for me, or else advise me on best strategy
- take a photo of a bunch of lottery tickets and tell me whether I've won
- point at a board game and either do all the boring scorekeeping for me, or else advise me on best strategy
- take a photo of a bunch of lottery tickets and tell me whether I've won
It's just done with a QR code.
Unfortunately... there was a bug and it told people they hadn't won: http://www.independent.co.uk/news/uk/home-news/national-lott...
I think my favorite is a Mario Kart style "ghost mode" for running. Where you could tell it what pace you wanted to go and it'd show ghost running in front or behind you at that pace!