As mobile games experience explosive growth, copyright issues increasingly loom over the industry's landscape, industry observers said.

Widespread use of smartphones as well as advanced and expanding infrastructure for the mobile Internet has brought a boom in mobile gaming.

User numbers rocketed 248.4 percent to some 310 million in China last year, bringing in 11.24 billion yuan ($1.8 billion) in sales, a 246.9 percent surge compared with 2012, according to an industry report.