There are many apps available in the app store for your iPad and you could download them, it will be installed automatically, and then you could use those downloaded apps on your iPad. But if you have downloaded them to your computer than directly to your iPad, then you would have to sync them to your iPad through iTunes to use the apps.
Now, after using an application, if you want to close it, how can you do it? Having doubts? No need because here is how to close an app on the iPad.
For closing an app, there is not much to do. Come to the home screen, press the Home button twice, press and hold an app and close the apps you need by tapping the ‘ - ‘ button. And you could return to the home screen. So easy. Isn’t it?