scrcpy is an application for displaying and controlling your Android device through USB connection (or over TCP/IP). It is cross-platform (GNU/Linux, macOS and Windows) and does not require any root access.
scrcpy displays only the device screen but offers great performance (30~60fps) and quality (1920×1080 or above). It’s got low latency (35~70ms) and a very low startup time (less than a second).
Use your tablet as graphic tablet/touch screen on your computer
Weylus turns your tablet or smart phone into a graphic tablet/touch screen for your computer!
No apps except a modern browser (Firefox 80+, iOS/iPadOS 13+) are required on your tablet.
Start Weylus, preferably set an access code in the access code box and press the Start button. This will start a webserver running on your computer. To control your computer with your tablet you need to open the url http://<address of your computer>:<port set in the menu, default is 1701>, if possible...