While business apps for Android may also be available, many of these are SaaS-based cloud apps anyway, so are just as accessible on your desktop PC via your browser anyway, though games usually aren't.
Indeed, gaming is the most common reason for emulating Android on a desktop computer, though you can also use an emulator to run any app from the Google Play Store. It's often easier to test apps on a desktop than a mobile device, and for everyone else there's the appeal of being able to play mobile games on a much larger screen. There are several reasons for emulating Android on a PC or Mac.
