This had been discussed more than once. Essentially every time people start asking how they’re supposed to use State Channels, conversation dies with this. Random examples from the forum:
It would also make the Hypermine project a breeze. Currently they have to grunt their way through documentation and SDKs. With this project at hand, they could simply write a contract and get the job done. I am not pinging them because they are not part of the internal sections of the forum. I think they could be a test subject if this project is required or not