Q: Apple store app

You cannot delete it.

It is either on another page, in a folder or you have turned on your restrictions.

You can reset the homescreen layout - covered in the manual

Are you talking about the App Store app (blue icon that looks like it has an A on it) or the Apple Store app (Green icon with a shopping cart)?

If the App Store is missing, try checking in Settings>General>Restrictions and see if Installing Apps is turned off.

~Lyssa

If you didn't restore the iPad as new when you got it, you really should do so - that will clear out all the apps & changes your friend has on the iPad so you can use it as you like.

Try resetting the iPad - press & hold the power & home buttons until the screen goes black, then release the keys. The iPad should boot up normally afterwards. Check for the App Store icon once the iPad is back up & running.

~Lyssa