It is a completely re-made version of the original Wii and GameCube consoles. This step is only required if you want to use real wiimotes to play wii games on your Mac.
Step 2 (Optional): Get the Wiimote Dependencies.The Dolphin app is an emulator for both Gamecube and Wii. 8 What happens if you put a Wii game in your computer?.3 Do you need a Wii remote for dolphin emulator?.1 How do I play Wii games on dolphin Mac?.