Macintosh Apple.
Apple
In the upper left corner of the screen, marked by a small Apple icon. (Only on Apple computers.)
smack it against a hard surface
You can only do this on the Mac operating systems. Press Alt (Option) + Shift + K. That gets you the Apple Icon. :) 
The icon is the Apple Store.
An apple has been equated to human brain. Missing piece signifies the knowledge you will acquire using the apple computer.
To turn off an Apple computer click on the Apple menu icon (top left corner of screen) and select Shut Down... from the menu.
To get money, fame and an awesome Icon.
i got it
book
No. But you can go to. Settings and find the Apple Store icon and edit your Apple ID etc. on OS Devices.
you go to your stable and on the right of the screen theres a box and theres 3 icons: a horse icon, a apple icon, and a horse bit icon. click on the apple icon and there should be food. click on an apple or any other thing that you can feed your horse and click on it and put it on your horses mouth and click it. When you click the food the food should be the cursor/mouse