A WebmasterWorld thread complains that the AdWords management interface at adwords.google.com does not rendered on the iPhone (and possible Android). In fact, I tried it and it booted me out after several seconds. I managed to take a screen shot of the page trying to load.
In addition, if you try to use the AdWords interface with Safari 4.0, Apple’s latest release of their browser, you get the following message:
AdWordsAdvisor did comment specifically about a mobile AdWords interface. Let me quote what the Google representative said:
So it seems like a mobile version of the AdWords interface is coming in the future. When exactly is the million dollar question.
Forum discussion at WebmasterWorld.