https://apnews.com/ba88276e6f9089a3b9bc65fc19cc0880

Li Zhanguo’s two children, aged eight and four, don't have their own smartphones, but like millions of other Chinese children, they are no strangers to online gaming.

“If my children get their hands on our mobile phones or an iPad, and if we don’t closely monitor their screen time, they can play online games for as long as three to four hours each time,” he said.