Blackberry 9630 User Guide - Page 232

User Guide Applications Close an application so that it is not running To optimize the performance of your BlackBerry® device, try to close applications when you are finished with them. In an application, perform one of the following actions: • Press the Menu key. Click Close. • Press the Escape key. If necessary, continue to press the Escape key until the Home screen appears. Related topics Keep an application running and switch to another application, 229 Keep an application running and return to the Home screen, 229 About adding applications The BlackBerry App World™ storefront allows you to search for and download applications for your BlackBerry® device. From BlackBerry App World, you can browse featured and top downloaded items, such as games, social networking applications, and productivity applications. You can view applications by category and search by keyword. Using an existing PayPal® account, you can buy and download items over the wireless network to your device. Items that you buy are stored in BlackBerry App World on the My World screen. To download BlackBerry App World, visit www.blackberryappworld.com. Depending on your wireless service provider, BlackBerry App World might not be available. You can also access new applications through the application center. You can use the application center to add, update, or return to the previous version of a select number of applications that are hosted by your wireless service provider. This might include social networking applications, instant messaging applications, and applications that are specific to your wireless service provider. Data charges might apply when you add a new application. For more information, contact your wireless service provider. About instant messaging applications You can download instant messaging applications for your BlackBerry® device from the BlackBerry App World™ storefront. By default, your BlackBerry device comes with BlackBerry® Messenger. You can use BlackBerry Messenger to chat with people who have a BlackBerry device by sending and receiving messages and files. You can also change your status and display picture. With the BlackBerry® Groups feature of BlackBerry Messenger, you can share pictures, lists, appointments, and more. You must have a wireless service data plan to use these applications. Depending on your wireless service provider or organization, some applications or features might not be supported. For more information about BlackBerry Messenger and other instant messaging applications, visit www.blackberry.com/support. If you need help using an instant messaging application, you can find answers in the application by pressing the Menu key and clicking Help on your device. 230