The top 10 Android app stores by total user coverage in China in December 2016 according to TalkingData are:
wandoujia
China Top 10 Android App Stores & Mobile Games
In Q3 2014, top 3 China Android app stores were 360 mobile assistant, Myapp(Tencent) and Baidu mobile assistant.
Over Half of Activated Android Devices Installed Wandoujia App Store
Wandoujia, like iTunes for Android, is China’s leading Android app store with over 170 million users. It was first launched in 2010, and its international version, SnapPea, was launched in June 2012.