Android smartphone will use Google account for verification. In order to work properly, user has to create account to access all of features. Google account manager for Android will manage your account in order to access most of features from Google. After opening this app, type the password and Gmail for verification then select method to verify. Normally, you use single account for one smartphone, but this app will provides option for additional account. You can add other accounts with password then choose verification method. This app will synchronize every account you put to work properly on smartphone with Android as operating system.