InsideMobileApps offer some interesting insight in the market-shares of iOS and Android in China (according to AdMob-statistics at an iOS developers’ conference in Mainland:

“China is fast-becoming the second-largest market in terms of downloads for many developers including companies like Rovio, but it lags behind in terms of monetization. The country came in just behind the U.S. in page views on Google’s AdMob advertising network in July, according to statistics the network shared at an iOS developer conference in China this past weekend…”

The gist of it: iOS stills seems to have the upper hand in spite of lower incomes, and the Android-market is fragmented in many local variants with non of them that big yet.