With an R&D department that is manned by 10,000 workers, the lack of a Windows Phone product isn't due to MediaTek's inability to produce such a product. Instead, the company is providing solutions for areas where business is red hot. Right now, that means it is working on 4G chipsets featuring both quad-core and octa-core technology.
This is the opposite approach to the one being taken by Qualcomm. The latter is building Qualcomm Reference Design handsets for Windows Phone. The first smartphones to be built based on the reference design will be launched in the second half of this year.