This brand new mobile interface is only available on Android, iPhone, and Palm Pre devices. For Blackberry users, I guess we will just have to wait. For some reason Google didn't get the memo that 40% of smartphone users are running a Blackberry OS.
Now, when users log into their AdWords account from one these devices, they will automatically be directed to the AdWords for mobile interface. Unfortunately, this is only available for accounts that are being managed in the United States, the United Kingdom, or Australian English.
For more information, you can watch the video released by Google below: