This is an old prearranged contract to produce low-cost android smartphones to emerging markets way before the Microsoft deal.

Here's what it means :

http://www.pcmag.com/article2/0,2817,2453867,00.asp

Until this spring, windows phone will have very much lacking hardware support. Lacking low-cost platforms especially. And I would disagree that these are android phones. They are android phones in the typical microsoft way : they're only meant to poison the android ecosystem, not to actually contribute and provide the best possible phones to their customers.