Thousands of apps are available through the App Store. Using your iTunes account, you will be able to download and easily install new apps. New apps are added everyday. They’re easy to find in their own special section, in every possible category: games, lifestyle, social networking, education, and dozens more. And they’re all designed specifically to make the most of the large iPad display, precise Multi-Touch screen, and powerful processor.
Most apps are constantly updated and the App Store will notice you when an update is available. Free version (Lite) of games is becoming a more common and useful thing through the App Store. That way you can first try to see if you enjoy the game or not. As of today, there is more then 200,000 iPad apps available.