DuOS

DuOS® is a software developed by American Megatrends for x86-based computers using the Microsoft Windows operating system to provide a "Dual Operating System" environment in which the user can simultaneously deploy the Android operating system in tandem with Microsoft Windows.
 
DuOS® has capability to run both Windows and Android operating systems at the same time, the user can switch between the two operating systems without having to dual boot or suspend operation of one operating system in order to utilize the other.
 
DuOS® supports key hardware peripherals in Windows including cameras, audio, microphone and sensors such as ambient light sensor, accelerometer, gyro meter, compass and orientation sensors. It also supports various screen sizes, resolutions, and screen orientation (portrait and landscape) along with 3D acceleration and HD video playback.