A cellphone widget is a shortcut for a mobile phone application. It usually appears on the phone's home screen and connects the user quickly and efficiently to the app.
Depending on the app involved, widgets can provide streaming information across a cellphone screen without fully launching an app as when stock market widgets provide quick streaming stock quotes. They can also show the user the status of an app that is running in the background while a user focuses on another app. In addition, they can provide quick shortcuts to launch more complicated apps. The Android mobile phone platform provides the greatest support for cellphone widgets in the marketplace.