As I see it you are a mix of online store and kickstarter. One token for all products and services is your certain advantage over similar projects here.
How do you decide when you gadget is ready for a launch?
That's a very interesting definition but you can call our project so

All our products come through a complex method of estimation, testing and further development. There are 9 Technological Readiness Levels and when a product goes through all of them it is considered ready for launching the market.
More detailed description you can read in our whitepaper.
I think I begin to understand why it takes your products such a long time to launch.