Parents fear grip of mobile games

As the summer vacation approaches, the biggest concern for most Chinese parents is what to do with their kids in particular how to stop them squandering money on mobile games.

In early June, a single mother in Heilongjiang province discovered her triplet sons had run up a bill of over 18,000 yuan ($2,700) on her credit card through in-app purchases while playing video games.

A 17-year-old gamer in Guangzhou was diagnosed with cerebral infarction in April after playing the online game King of Glory for 40 hours nonstop.