If you want to use an app that's not available in the Google Play Store on the Android Emulator, you can manually install the APK file. To install an APK file on the emulated device, drag an APK file onto the emulator screen. An APK Installer dialog appears.
MOD APKs are a great way to customize your Android Device. You can install MOD APKs from any reputable source, including the Google Play Store. MOD APKs are essentially modified versions of regular APKs. They are often created by developers who want to add new features or modify existing features in an app.