On Damus you can see others relay lists, and add relays with one tap. Screenshots below: https://image.nostr.build/b4831df7da81f1f2f6b63322c73c2101cde3c252f5cc52750f5ed602cd067061.jpg https://image.nostr.build/218e11cb7c22fcbcee48dd105c3aac738b98836af8ef811dbb4b01b7bcc436bd.jpg