Probably not, it says the TV is 22”, it shows the HDMI over IP thing, says “LKV 22”“.
That would be the easiest way to get the colors better. I’ll enjoy the shitty colors, I’m to lazy to do anything about it.
Buy a new TCL TV, one of the more expensive models, they might have good default settings. Or a different brand, like Vizio. But I like Roku TVs.
Use an HDMI audio extractor, and you get music on your TV soundbase without using Airplay.