Preview for Google Adwords can be seen in http://www.google.com/adpreview page as many would have known earlier. Brad Geddes has reported that the preview for Mobile Ads is launched by Google and is available at http://www.google.com/m/adpreview.

The preview can be based on

Country & Carrier
Spoken language
Markup Language
Search type

This preview of Mobile Ads will provide you an easy understanding of how your Ad looks like? and are you in the right area? So I think it will be easy for all to provide your Ads effectively.

Mark