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The configuration of a Google account is essential to use
all the features and services of your Android phone, such
as access to Google Play™, synchronization of contacts
or your calendar. If you don’t have Gmail or any other
Google Account, go ahead and create one.
Home screen
The Home screen is the starting point for many
applications and functions, and it allows you to add items
like application shortcuts, or Google widgets to give you
instant access to information and applications. This is the
default canvas and accessible from any menu by tapping
the home key .