Google Backup and Restore - Samsung Galaxy S® III mini
From a home screen, tap Apps (located in the lower right).
From the Apps tab, tap Settings.
Tap Backup and reset.
From the Backup account field, ensure the appropriate account is listed.
To change accounts:
Tap Backup account.
Tap the preferred account
Configure the following:
Enabled when a check mark is present.
Back up my data
Personal data such as Wi-Fi passwords, browser bookmarks, user dictionary, a list of installed Market apps and other customized settings are backed up to Google servers.
If Back up my data is disabled, existing backups are deleted from Google servers.
Data and settings are restored to apps utilizing the backup service upon reinstallation.