MyEncyclopedia is a neat little app from Orange Labs that allows you to explore the wikipedia content. It supports offline reading as well.
With MyEncyclopedia, find all content Wikipedia on your windows phone 7. In addition to a quick and easy access to the encyclopedia, get innovative features:
– View wikipedia articles around your location
– Search in 100 languages
– Offline mode to view article without internet connection
– Display the summary of the article
– Find your favorite articles
– View previous versions of article
– Simply share a article on Facebook, Twitter, by mail or by generating a QRCode.
Its a free app and you can download it here from the marketplace.