I'm definitely interested. I can contribute to the visual side of things.
Very good. I would like to see some of your work.
Also have you been to
https://just-dice.com? On their page they have the option to 'invest' and it is basically what you would call a shared wallet. People choose to add Bitcoins to the wallet and depending on their share size and the amount of their deposit, stand to either gain or lose funds. I think something like this would work very well for this project.
Yes this is kinda what I thought about with "shared wallet", but we can not use that one for this project. It will be a source of inspiration.