But, it is the home button! It always takes you to a variant of the home screen, and a given app can't change it's behavior. If you click a link out of an ema

But, it is the home button! It always takes you to a variant of the home screen, and a given app can't change it's behavior. If you click a link out of an email, it doesn't take you back to email, it takes you to the home screen. Just, some random folder on some random page.