3To find the app you want, flick up or down to see all the icons on a page. To see other pages, swipe right or left on the screen, or tap a page name at the top of the screen.
*Launcher page names. Tap to go to a different page.
4Tap the application icon.
To close the Launcher, press Center 
or tap 
.
TIP If advanced gestures are turned on, you can make the up gesture to open and close the Launcher. If you’re in an app, flick up once from below the screen onto the screen to display Card view, and then flick again to open the Launcher. If Card view is displayed, just flick up once. When the Launcher is open, make the up gesture to close it (see Turn advanced gestures on/off).
Open an application in Quick Launch
Quick Launch is the bar of six icons that always appears at the bottom of Card view and the Launcher.
You can customize Quick Launch to contain the icons for apps you use most often. To open an application from Quick Launch, just tap the icon.
*Quick Launch
Quick Launch can display no more than six icons. By default it displays, from left to right, Web, Email, Calendar, Messaging, Photos & Videos, and the Launcher. You can change the order of icons (except the Launcher icon) in Quick Launch (see Reorder Quick Launch icons), or swap in whatever applications you like (see Line up your favorite applications in Quick Launch).
Resize panels/display or hide levels in an app
Most applications let you display different levels of the application as panels. For example, in the Email application you can display panels for three levels of the app: the list of accounts, the inbox of a specific account, and a message from that inbox. You can resize panels to get a larger view of any level, or to display more levels.
In all applications, you can resize panels by swiping on the screen. Some applications, such as Email and Photos & Videos, also let you resize panels using the drag handles 
icon.
30 Chapter 4 : Work with applications