Non-technical people can definitely contribute to the apps. For one if it's their idea, they get an immediate stake in future profits. There is also a lot of marketing and strategy work that goes into any successful product. The community around each product will vote the relative merits of each contribution. Basically, if someone submits work that is deemed good, they will receive a stake in profits.

In terms of where it lies on the idea sourcing to building spectrum, I would say it's definitely leaning towards building successful products. There's no shortage of good ideas floating around, we want to help organise people together to build great products and push those products to succeed.