Widgets stream information, giving some of an app’s functionality without opening the app. For example, the Calendar widget shows your daily agenda and gives you one-touch access to your full calendar.
Tap 
Widgets are listed under their related apps.
You can make some widgets larger to view more content:
On your home screen, you can add shortcuts to apps, so you don't have to open the tray and sort through all of your apps, shortcuts to common tasks, and shortcuts to open specific web pages.
Many apps include shortcuts to common tasks, so you don’t have to open and navigate the app.
Touch & hold an app icon to see available task shortcuts.

Do one of the following:

Here are examples of task shortcuts for various apps. Not all apps include task shortcuts.
| App | Task shortcuts |
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Do one of the following:
Folders organize your shortcuts. You can create folders on your home screen or in your app tray.
To create a folder on your home screen:
Drag it onto another to group them together, then release when you see a frame around them.

To add apps to the folder:
To remove apps from the folder:
To create a folder in your app tray:

To change apps in the folder:
To add one app to the folder:

To remove one app from the folder:

To remove items from your home screen:
Drag it to Remove.
For app tray folders, tap 
App icons on the home screen are shortcuts to installed apps found in the app tray. Removing an app shortcut from the home screen doesn't uninstall the app. Learn how to uninstall apps.
To select a totally new user interface for your home screen, download a different launcher.
If you’re having issues, try these troubleshooting steps.