This
http://item.taobao.com/item.htm?id=3289740994 had English version. 1/3 of their customer is outside PRC. Simple written English is quite OK for that developer.
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That developer's warning: some new model's pinout isn't as the "generic", you MUST know which wire = which function, otherwise ...
http://www.motoyes.net/bbs/thread-534491-1-1.html