Can this or any similar device also be used as an external monitor? I built a new home server the other day, and as I didn't want to lug around a 40" desktop mo

Can this or any similar device also be used as an external monitor? I built a new home server the other day, and as I didn't want to lug around a 40" desktop monitor to the small nook at the other end of the house, I ended up using an old 480p projector as a screen, despite having so many laptops, phones, tablets etc lying around with perfectly fine screens (with built in battery power to boot!). Is this not a feature anyone else would like? I've been looking at portable screens, and they're starting to appear (Asus Zenscreen), but I just wish I could jack into the screen of another device temporarily at times. Cool device, and would be even cooler if I could use just the monitor on it.