It is a shortcut that is similar to the action button on the iPhone 15, it has the option to open the camera, it asks you if you want to stay or go.

If you choose to stay good, you stay in the app otherwise it takes you to the home. It also has the option of selfie and recording video (this starts automatically)

Then you have the option to turn the flashlight on and off. When you press this option, the flashlight is activated and a few seconds later you get a text asking if you want to turn it off.

On the other hand you have the option to open the magnifying glass, calculator and create a new voice recording (it also starts automatically)