Bluestacks

BlueStacks is a 30-person startup based in Silicon Valley. It took 10 engineers two years to build its proprietary "LayerCake" technology that allows over 400,000 popular mobile apps to run on Macs, PCs and Windows 8 tablets. The company's Mac and Windows software has been downloaded more than 5 million times worldwide. Free while in beta, it is available now at BlueStacks.com