Here we provide Google Authenticator V 4.74 for Android 2.3.4++ Google Authenticator generates 2-Step Verification codes on your phone.
2-Step Verification provides stronger security for your Google Account by requiring a second step of verification when you sign in. In addition to your password, you’ll also need a code generated by the Google Authenticator app on your phone.
Learn more about 2-Step Verification:
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Editors is lazy not tested it