Apps and games that have in-app purchases are required to have 2 documents for publication in China. An IP protection certificate and a publishing license (ISBN). APPTUTTi helps partners apply and register for these documents through our professional dedicated team. The estimated application time a publishing license can take from 6-9 months. Partners that want to earn in China while waiting for these documents are encouraged to create an advertisement monetization version of their projects, to earn while you wait.