Where can I find Apple TV remote app?

If you’re running iOS 15, it’s now been relocated to the Control Center.

(News to me too, glad you asked)

No kiddin’. 😳

Thanks!

I guess 15 just deprecated the non-CP “version” entirely.

I only “discovered” it today while replying to the OP and received this:

(News to me too)

It has been available there since iOS 11 (2017). 😎