Almost all games have bots or game mode where you play against the computer. The way those bots or computers are designed to play against humans in different conditions can be referred to as Artificial Intelligence in Games.
An emulator software enables one system to behave like the other. In our case, the Windows or Mac OS to behave like an Android. There is a major attraction for emulators in the mobile gaming arena as the gamer can enjoy his gameplay on a bigger and in most cases, a better display.