Need an extra monitor but don't want to buy one? Your phone or tablet is already the perfect second screen—you just need the right app to make the most out of it. GlideX is a cross-device utility that ...

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 ...

Boox Note Max's split screen function is powerful for multitasking. The tablet's Android system allows for diverse app usage in black and white. Horizontal split-screen mode is the most practical and ...

High-end and midrange iPads can make full use of an external display. Anyone who uses a second screen for their iPad needs to know how to tell iPadOS where the external display is positioned: left, ...