Using 2-step verification & Google Authenticator

Enable 2-step verification to protect your account from hijacking.

Google Authenticator generates 2-step verification codes on your phone.

With 2-step verification, you can choose to add an additional layer of security for your Google Account by signing in with both a code generated by this application in addition to your password.

Features:
* Automatic setup via QR code
* Support for multiple accounts
* Support for multiple languages

To use this app, you need to first enable 2-step verification on your Google Account by visiting your Account Settings page.

Improve security of your Google Account using 2-step verification. 

Learn more: http://google.com/support/accounts/bin/static.py?page=guide.cs&guide=1056283&topic=1056284

Download link: https://market.android.com/details?id=com.google.android.apps.authenticator&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5nb29nbGUuYW5kcm9pZC5hcHBzLmF1dGhlbnRpY2F0b3IiXQ..