You Can Now Run Android on an iPhone With 'Project Sandcastle'

Not happy with your expensive iPhone and wondered if it's possible to run any other operating system on your iPhone, maybe, how to install Android on an iPhone or Linux for iPhones? Android phones can be rooted, and iPhones can be jailbroken to unlock new features, but so far, it's been close to impossible to get Android running on iPhones, given the mobile device hardware constraints and