This is an opportunity to test our product that’s nearly final, but hasn’t yet been fully made available to the general public. The software is released to a limited number of customers to get objective feedback on the product from real people. You will be required to adhere to a Non Disclosure Agreement (NDA).
To Join you are required to send your requests and you will be provided with full copy of the SDK for evaluation (including alpha and beta platforms)
You can always get opensource elements of SDK from GitHub