Answer Me! is a new Yahoo! Answers app for WP7
If you're tired of broad searches, or you just don't seem to be able to communicate with your search engine, then you might benefit from Answer Me! for Windows Phone 7. Answer Me!, powered by Yahoo! Answers, can provide you with more specifically targeted answers to millions of potential questions. Utilizing the standard metro design, the app is very easy to navigate.
You can select your region of choice, as well as a specific category, in order to get more accurate results. The full app costs US$1.29, but there is a free version as well. The free version only differs in that you can't bookmark your search results or save your previously asked questions.
source: Zune via WMPoweruser