I bought the Google TV Streamer 4K to replace an aging Chromecast. Google TV Streamer 4K as a smart home hubWhat Thread and Matter support actually doThe Streamer has a Thread border router and Matter support built in. Google TV Streamer (4K) The Google TV Streamer 4K is Google's living-room streaming box, built as a plug-in unit rather than a hidden dongle behind the TV, replacing the older Chromecast puck-and-remote design. Apple TV 4K does something similar through HomeKit and Thread, and it now costs $199 for the base model. Google TV Streamer 4K smart home limitationsTo be fair, this won’t replace a dedicated hub if you have an advanced setup.