Also, if you have the APK file for an app, you can simply double click on it, in your Mac, and it automatically installs in Bluestacks.
Bluestacks automatically uses the network that your Mac is connected to, and it comes with the Play Store built-in, so you can directly start downloading apps. Bluestacks is one Android emulator that almost every one has heard of. It is an easy to install emulator. You just download the emulator on your Mac, and install it.