Turn your Android tablet into a portable monitor with this simple USB trick

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 ...
来自MSN

I turned my old Android tablet into a second monitor for free

When looking for a portable monitor, I explored a few options ranging from $60 to $150, including ASUS's ZenScreen. But since I only needed a portable monitor for my laptop when traveling (it's not ...