Many of the best Android emulators are free, too. There are several fantastic Android emulators for Windows 10. What Makes a Good Android Emulator for Windows 10? With that in mind, here are the best Android emulators for Windows 10. No matter the reason, an Android emulator is useful to have on your PC. Perhaps you're investigating Android development and need an app testing environment, or you want to customize your Android operating system without worrying about bricking your Android phone. Maybe you have an iPhone and want to test an Android before making the switch. You've heard of Android phones, but did you know you can install the entire Android operating system directly on your computer?