At first is different because to avoid the same issue as Vanced, it will not ship you patched version of YouTube App but it will ship a patcher.

That mean you'll must have installed YouTube because it will be companion or patch (I'm not sure if it will patch the YouTube app or be a service next to YouTube to apply Vanced feature at runtime)

I'm not able to access (play tells me it does not found)? Is country limited app or something?

Yes. I'm sorry. The app is currently in beta and limited to 88 countries/regions to better support this. Please let me know what country you are in so that I may rectify this.

I'm come from France

This should be sorted now! Thank you!

I'm an introvert from Turkey.

Added! Please give this a few hours to be effective.

This cracked me up. haha. Hey bro! I've always wanted to visit.

Sparkle/partial checkout for big repo or legacy or people doing shit with git