Mac screens can feel cramped for multitasking, but there's a way to add more room. Learn how Android devices can help you set ...

spacedesk is a free app that lets you use an Android tablet as a second display for your Windows PC. Learn how to set up and use it.

Whichever app you try, using your iPad or Android tablet to extend your screen might boost your productivity. Or, of course, you could use the tablet on its own as a productivity-boosting tool.

These apps can turn your iPad or Android tablet into a second monitor for your Mac or PC desktop.

What you need to know Use an Android app to transform your phone into a system monitor. Keep track of your system temperatures and usage. Completely free to use, aside from the widgets dashboard.