From the Home screen, tap the Apps Key to open the Apps screen.
Slide the screen left or right to bring more icons into view.
Tap an application icon to open the application.
All of the applications on your phone, including any applications that you downloaded and installed from Play Store or other sources, are grouped together on the Applications screen, which you access from your Home screen. If you have more applications than can fit on the Applications screen, you can slide the screen up or down to view more.
You can touch the Menu Key then Show small icons to get better viewing experience for those who want to have denser view of apps.
Folders can be created in a menu as well as on the Home screen for organizing purpose.Create folders after pressing the Settings button on the top right and drag and drop an item over another one.