Android platform was originally aimed at 3G phones, freerunner is a GSM cell phone, M8 is also, so something that can be reused. And open source is basically a strong place in Europe and North America, so they still have some technical advantages. To participate in Andoird a few months before a gathering in Shanghai, telling the truth, there are still technical difficulty, and multimedia hardware acceleration, hardware and software integration, systems integration (which a lot of technologies are open source and need to integrate testing and optimization), involving a wide range of . Even I use HTC's G1 also sometimes found to have programs crash.