To install StbEmu (Free) 2020 For MAC, you will need to install an Android Emulator like Bluestacks or Nox App Player first. As using it, you can even run Android apps in addition to apps made for your Mac OS X system.
Considering, the vast number of productive apps and great games for Android, it increases the amount of activities you can do on your Mac.
Thus, enabling you to run apps and play games made for Android on your system.