There's no need to buy a separate device.

In a pinch for extra screen space on your PC but don't have a second display? Use this simple USB trick to turn your Android ...

They say the best handheld is the one you already own ...

Google is testing “windowing” for Android OS while it is used on tablets. If this feature works well, it could allow Android tablets to function as desktop PCs with full and dynamic multitasking ...

Soon you may be able to use Google’s Android operating system more like a desktop operating system… at least on tablets or other devices with large screens. Google has released a developer preview of ...