Seoul's antitrust watchdog said Wednesday it has launched an investigation into U.S.-based Google LLC, as well as its Singaporean and South Korean offices, over allegations of violations of the fair trade law involving game developers on its app marketplace. The Fair Trade Commission (FTC) said its examiners' report showed Google has abused its dominance in the Android marketplace, with related sales totaling $9.21 billion. Under the law, the watchdog may impose a fine of up to 6 percent of the amount following its deliberations. The FTC said Google signed the Games Velocity Program (GVP) agreements with major game developers at home and abroad to prevent their potential departure from its app marketplace. The program centers on subsidizing game developers' costs for using Google services, such as Google Cloud and advertising, on the condition that they give Google most favorable treatment compared to other app marketplaces, including earlier release dates. The FTC said its examiners had concluded that the agreements had significantly hindered game developers from entering rival app mark