Home Assisstant Youtube app run on Tizen OS

Install HACS

Install Samsung Samrt tv component

Get it here https://github.com/ollo69/ha-samsungtv-smart

Set integration

Settings -> Devices -> Add Device from Smart Hub

If default app code not work

Base line code for app using like this

app_list:
  YouTube: "111299001912"

on new TV`s try using this ID

YouTube: 9Ur5IzDKqV.TizenYouTube

Then in HA Dev tools try Developer Tools -> Actions ->

Media player: Select source

Use Source Field like YouTube

Misc

Get Token From Samsung Smart Things https://account.smartthings.com/tokens

Get Device ID from Samsung Smart Things https://my.smartthings.com/advanced/devices