21 April 2011, Nokia and Microsoft signed a cooperation agreement between the two large companies and has reached a final agreement. Both companies also announced that they have successfully made significant progress in developing their collaboration products. Nokia not only makes the hardware and technical things but also be involved in the manufacture of important applications for Windows Phone Operating System, such as mapping, navigation and location-based services.
Nokia is very experienced comany in building mobile phone hardware quality generally. In this collaboration, Microsoft will develop the software in their own platform and adapted to the Nokia, and most likely we will find the kind of OVI store that coexist with BING search in Nokia-Windows Phone. "Opening a new Nokia-branded global application store that leverages the Windows Marketplace infrastructure. Developers will be able to publish and distribute applications through a single developer portal to hundreds of millions of consumers that use Windows Phone, Symbian and Series 40 devices". Royalty payments to Microsoft will be paid once the first models of Nokia-Windows Phone on the market.
Nokia with Windows Mobile operating system will likely be one of the most anticipated product in 2012. There has been no official news released about when the first products will be introduced and launched, Despite a strong signal indicated in 2012, but Nokia still expects the first models of Nokia-Windows Phone will be launched before 2012.