Roku needs to make a stick device that includes an ATSC 1.0 and ATSC 3.0 tuner. Allowing the stick to integrate and control Over-the-Air (OTA) channels similar to a Roku TV makes channel surfing significantly easier for the non-tech savvy users. From a friend who works with FireTV, he said Amazon is developing a device like this. Really wish Roku would too.
Otherwise, Roku should develop an interface with the TV mfgrs to integrate the TV's OTA into the Roku interface (like Roku TVs).