Tap to open the Applications screen.
Slide the screen right or left to bring more icons into view.
Tap an application icon to open the application.
Tap a tab to select Apps, Downloads or Widgets.
You can tap the Menu Key , then Show small/large icons to get better viewing experience for those who want to have smaller or larger icons.
Folders can be created in menu as well as on the Home screen for organizing purpose. Tap and drag an icon over another to create folders.