Android users rejoice! Blizzard has released a free Battle.net Mobile Authenticator application for Android mobile devices, and it's now available to download through the Android Market. You can read the FAQ after the jump.

Those of you who don't have an Android device or an iPhone can still download the Mobile Authenticator application for your phone for $0.99. You can also purchase the physical authenticator keychain for $6.50 through the Blizzard Store.

What is the Battle.net Mobile Authenticator?

The Battle.net Mobile Authenticator is an optional tool that offers Battle.net account users an additional layer of security to help prevent unauthorized account access. The Authenticator application itself is a small program that you install and access on your cell phone or mobile device. Additional security tips can be found on the Battle.net Account Security page.

Where do I get the Battle.net Mobile Authenticator for the Android phone? To begin downloading the application, click the "Market" button. Once the Market launches, search by "Battle.net Authenticator". Install the application as indicated. To add the authenticator to the Battle.net account, please follow the step by step instructions here. What is the Authenticator code and where do I see it? The Authenticator code is an eight-digit numeric code that is produced when you select "View Code" in your Battle.net Mobile application. Each code is unique and is valid only once. Do I need to have an active cell phone signal or access to a wireless network in order to use the Battle.net Mobile Authenticator? Why is airtime required for use?   Airtime is only required in order to enable your Battle.net Mobile Authenticator for the first time, or in the rare case when you may need to re-sync the Authenticator. Once you have enabled the Authenticator, you do not need to be in range of an active cell phone signal or have access to wireless service in order to retrieve a code to log in.

Can I use a Battle.net Mobile Authenticator and a Battle.net Authenticator at the same time?
 
You can only have one Authenticator attached to a Battle.net account at any given time.

How do I remove the Battle.net Mobile Authenticator?
 
You can remove the Mobile Authenticator through Battle.net Account Management. Please do not simply delete the application without first removing the Battle.net Mobile Authenticator from the associated account.

What happens if I delete my Battle.net Mobile Authenticator application from my mobile phone? Can I still log in to the associated account?
 
Unless you remove your Battle.net Mobile Authenticator from the account prior to deleting or overwriting the Battle.net Mobile Authenticator application, you will not be able to log in to the account.  If you remove the Battle.net Mobile Authenticator application prior to removing it from the account, please contact Blizzard's Billing and Account Services team. Our representatives will be able to assist you with regaining account access by verifying certain secure information with you.

How do I get the special Core Hound Pup pet for Authenticator users?

If you have a Battle.net Authenticator or Battle.net Mobile Authenticator attached to your Battle.net account, you'll find the Core Hound Pup item waiting for you in your in-game mailbox the next time you log in. Simply use the item to add it to your pet collection.