A Search Engine Watch Forums thread has a post from AdWordsRep sharing with us that they have launched a tool for mobile advertisers. Now you can view your ad as if they would look in mobile devices without having to run the risk of clicking on your ad or hurting your CTR factor.
To preview your mobile ads, go here: http://www.google.com/m/adpreview
You will be able to then filter your preview by the following parameters:
Select a country and carrier: Australia - Any Operator, China - Any Operator, China - CMCC (China Mobile), France - Any Operator, Germany - Any Operator, Germany - E-Plus, Germany - O2, Germany - T-Mobile, Germany - Vodafone, Great Britain - Any Operator, Great Britain - O2, Great Britain - Orange, Great Britain - T-Mobile, Great Britain - Vodafone, India - Any Operator, Ireland - Any Operator, Italy - Any Operator, Japan - Any Operator, Japan - KDDI/au, Japan - NTT DoCoMo, Japan - SoftBank, Netherlands - Any Operator, Russia - Any Operator, Spain - Any Operator, United States - Any Operator, United States - Cingular, United States - Sprint, United States - T-Mobile, United States - Verizon.
Select a language: Arabic, Bulgarian, Catalan, Chinese (simplified), Chinese (traditional), Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Tagalog, Thai, Turkish, Ukrainian, Urdu, Vietnamese,
Select a markup language: chtml (imode, etc.), PDA-compliant html, wml (WAP 1.x), xhtml (WAP 2.0)