You can control your Apple Watch from your iOS device's home screen using apples new ios 16 update. Apple Watch Mirroring casts your Apple Watch's display to your iPhone screen using AirPlay. You are able to interact with your apple watch screen while having it casting to your phone and using with it on your phone. Anything you can do on your Apple Watch, you can now do on your iPhone's screen. The purpose for this new feature is for people who have a hard time using their apple watch due to the smaller screen display.