Setting up an Android tablet as an external monitor is easy and only requires a few steps. All I do is download and install an app on my Windows PC and tablet, and change some settings to get it working. After that, it connects automatically in seconds, and I have extra space to work. Here how I turn my Android tablet into a portable monitor with just four easy steps. The first step is to download the SuperDisplay app on my Android Tablet and Windows PC. I open the Google Play Store on my...