I hit the home button when trying to hit space all the time.

The home button brings the user to the home screen.

The home button will be defective and create a Helicopter effect on the screen so then the phone becomes unusable.

A home button to return to the user's home page.

I was even able to press the home button and use other apps while the music continued to play in the background.

On the front of the iPhone there is a single button: the home button.

Other controls include a power switch and a "home" button for returning to the touch's main screen.

You sort of - as if you're squeezing the current app, and that's a replacement for the home button.

Galaxy S2 in hand, I can't help but laugh a little at the shape of that home button.

This update added the option to increase or decrease the size of the home buttons for easier use.