No specific info about version 4.0. Please visit the main page of Dolphin on Mac Informer.
DeSmuME is a highly customizable Nintendo DS emulator utility.
The complete and simply to use backup solution for your Wii games.
Mupen64 is a Nintendo 64 emulator ported for the Mac.
Allows you to convert signals from a Nintendo Wii controller to MIDI signals.
MupenLaunch is an app for the command line Nintendo 64 emulator Mupen64Plus.