A:AnswerNo -it is a smart TVs but not built in Roku. I would steer clear of TVs with built in devices (like Roku or fire stick). That is the stuff that tends to break. With a smart TV, you can add the apps directly so you don’t even need it.
A:AnswerI would way yes with a hmdi/cox converter or go straight old school coaxial cable to the television antenna output. Or auxiliary cables. I'm sure there's a way