It is precisely what you need. It's primarily for Smart TV:s, Chromecasts with Android TV etc.
SmartTubeNext is an advanced YouTube app for Android TVs and TV boxes, free & open source. It is not a live TV client and does not support "YouTube TV".
Features: no ads | SponsorBlock | adjustable playback speed | 4k and higher | 60fps | HDR | does not require Google Services | helpful international community
Use SmartTubeNext. It completely blocks ads and supports SponsorBlock innately.
https://github.com/yuliskov/SmartTubeNext
It is precisely what you need. It's primarily for Smart TV:s, Chromecasts with Android TV etc.