So, is this tied to posting and live broadcasting to Facebook or is it just there to be used for whatever you want? Also, which platforms does it run on? It d

So, is this tied to posting and live broadcasting to Facebook or is it just there to be used for whatever you want? Also, which platforms does it run on? It doesn't seem like an open beta. It seems like a developer beta with the sole purpose of crowd sourcing the effects before it goes public. And applying for the beta subscribes you to, what it seems, three different newsletters from Facebook.