The software relates to System Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
The EMU is a graphical front-end to QEMU, the fast command-line x86 PC emulator. With The EMU, you can emulate a PC operating system such as Windows or Linux/x86. The GUI needs to be improved greatly.
You may want to check out more software for Mac, such as Emu Player, WabbitEmu or E-MU Program Shuffler, which might be similar to The EMU.
Device Assistants
Device Assistants