Supporting Windows requires a lot of resource allocation and unfortunately their global mobile market share cannot justify it yet (http://www.idc.com/prodserv/s

Supporting Windows requires a lot of resource allocation and unfortunately their global mobile market share cannot justify it yet (http://www.idc.com/prodserv/smartphone-os-market-share.jsp http://www.idc.com/prodserv/smartphone-os-market-share.jsp). Microsoft can give a hand though, since it is open source.