Designed by the American company Infinity Ward and produced by Activision, Call of Duty used World War II as a setting, allowing players to see the war through the eyes of American, Soviet, and British soldiers.

Activision is the primary publisher and owner of the Call of Duty (COD) franchise. It is an American video game company. While the game may have international development teams and global popularity, it is not specifically a Chinese game. but at the present time ( COD ) ends the partnership with tencent simulator .

The first game released on Google Play was "Sonic the Hedgehog" by SEGA. It was released on October 7, 2008. In March of 2008, Google released the Android operating system and the first app to be released was "Angry Birds." Since then, there have been over 1.5 million apps released on the Play Store.