All mini-programs operating on Watch Lost Bullet OnlineTencent’s super app, WeChat, have to conduct proper filings before the end of March next year; otherwise, they will be removed by China’s largest social media platform. The announcement comes a day after China’s information ministry asked all mobile app providers in the country to obtain approval from the government in an effort to tighten content control. New mini-apps on WeChat must file their submissions before launch, starting in September, according to the announcement. [WeChat, in Chinese]