Google Settings; Google - Samsung Galaxy S III User Manual

Google Settings

As Google has become more intertwined with other applications, this
menu provides a quick and ready access point to configure
preferences for Google+, Maps & Latitude, Location, etc.. You can
also use the Search function to initiate a Google Search from this
menu.
1. From the Home screen, tap
(Google Settings) and select an on-screen option.
2. Tap one of the following options: Apps with Google+ Sign in,
Google+, Play Games, Location, Maps & Latitude, Search, and
Ads.
Follow the on-screen prompts.

Google +

Google+ makes messaging and sharing with your friends a lot
easier.
1. Sign on to your Google account. For more information, refer to
"Creating a New Google Account" on page 22.
2. From the Home screen, tap
260
(Apps)
(Apps) (Google+).