There's no need to buy a separate device.

spacedesk is a free program that turns an Android tablet into a portable display for your Windows PC that you can easily carry with you anywhere. You can use it when you need extra screen space or ...

How I turned my Android tablet into the ultimate Kindle alternative - for free ...

Sanuj is a freelance tech journalist with over six years of experience covering smartphones, wearables, and consumer technology. He currently writes for Android Police, Tom's Guide, Android Central, ...