Is the app available for me to try now? Looks like this is something very far out in the future? Why is this Show HN? Edit: or is the intent here that I will g

Is the app available for me to try now? Looks like this is something very far out in the future? Why is this Show HN? Edit: or is the intent here that I will get immediate access if I put in my email? And the 'invites' is for the ready product?