The Android Emulator simulates Android devices on your computer so that you can test your application on a variety of devices and Android API levels without needing to have each physical device. The emulator provides almost all of the capabilities of a real Android device.

Why do people use Android emulators?

Why do people use Android emulators? Android emulators are programs that emulate or run the Android operating system on your computer. Most people use it for testing new apps and playing mobile games with better functionality.

Why are Android emulators so bad?

The Android Emulator is very slow. The main reason is because it is emulating the ARM CPU & GPU, unlike the iOS Simulator, which runs x86 code instead of the ARM code that runs on the actual hardware.