What You Need To use your Android tablet as a secondary PC display, you need a few things aside from the tablet and PC apps.

How to Use spacedesk to Mirror or Extend Your PC’s Screen Onto an Android Tablet Before you can mirror or extend your Windows PC’s screen to your Android tablet, you need two things.

Phone Link is a helpful app from Microsoft that lets you manage texts, calls, and more that you receive on your Android device right from your Windows PC.

This article explains how to download, set up, and use Microsoft's Phone Link, which connects your Android phone and computer to share calls, texts, photos, and more.

Smart Connect is a fantastic app that allows you to connect your Android phone to an Android tablet or your PC, providing a wide range of additional features.

This requires a powered-on Windows PC connected to the internet anywhere in the world, which you can then connect to and remotely control from your Android tablet.