Yes, the message copy echoes the theme of the ad by claiming that other smartphone owners are part of "an elaborate product test," but the key terms of "smartphone betatest" or "Were you a betatester?
If you're interested in becoming a beta-tester, click here to apply. The program is available in a private beta-test only. Google has launched AdSense for Mobile Search. This enables mobile website developers to place a Google search box on their...
Google's Trusted Tester Program For New Products Today's search podcast covers Ask divorcing Jeeves; Google's secret betatest
program for friends and family; new issues for Google in China; Google confirms
Garett Rogers at Googling Google covers Google's "Trusted Tester Program," a
preexisting invite-only program that now appears to have gained a formal FAQ
left open to public view. More helpful to anyone is the Google Trusted Tester Program FAQ...
They are accepting applications to become a possible betatester (by invitation only). There is info about the betatest itself as well as applying for it here. Google to Test Longer Descriptions in AdWord Ads.