Google Now delivers customized cards, based on information from your Google services (locations, searches, web history, Gmails, and calendar events) and from third-party products that you allow Google to access.
For example, get traffic reports before leaving for a dentist appointment or train arrival times while waiting at the station. View your team's scores on gamedays, or find popular restaurants when you travel.
Settings > ACCOUNTS.
You must use a Google account for Google Now to work.Swipe up from the navigation bar at the bottom of any screen, or touch the Google Search widget on the home screen.
To see the available cards and their default settings,
touch
> Sample cards.
Over time, Google Now will start delivering your customized notifications and cards.
Or touch the Google Search widget on the home screen.

For some cards, you can touch the card for more details or to take action, like check into a restaurant.
When you are finished with a card, swipe it left or right to dismiss it.
To customize or turn off a card:
> Settings > Google Now, then touch the card you want to edit.Turning off Google Now stops the display of cards and returns Google Now settings to their defaults.
Scroll to the bottom of the Google Now screen and touch
> Settings.
To learn more,
scroll to the bottom of the Google Now screen and
touch
> Help.
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