Microsoft is working tirelessly to ensure its presence in global mobile market. After the Windows Phone 7.5 Mango in October 2011 and the expected smaller update WP 7.6 Tango, Microsoft will likely surface the next major update, WP 8 Apollo later this year.

Well, the Apollo will possibly be

Article source: http://nvonews.com/2012/02/22/windows-phone-8-apollo-things-you-should-know-about/