mpv can play youtube and many other videos from video hosting services through yt-dlp but it can’t play DRM content like Netflix or Spotify MPV also can play video from TTY so you don’t need graphical interface like xorg or wayland to play videos

I think it’s more like shaders with sharpness that don’t look bad

There are software and instructions

https://github.com/bloc97/Anime4K

I think the best player is mpv because it supports real-time anime upscaling with plugins

Does your keyboard have 13 number keys? How do you have 13 work spaces?