At times, you may find it uncomfortable to use your computer's keyboard or mouse / touchpad to manage your Linux distro. Or, it could even happen that your touchpad has stopped working on your laptop, and you need to continue your work without fail. In those cases, there are several resources that you can employ.
On the other hand, you also likely want to use your desktop or laptop PC from the comfort of your bed or sofa, especially now that teleworking has increased. If so, surely you will love knowing the Remote Touchpad app, a software that will allow you to convert the touch screen of your mobile or tablet as if it were a touchpad.
Another point in favor of remote-touchpad is that it will help you implement a wireless touchpad without having a wireless mouse. So, if you want to enjoy the convenience of wireless mobility, you can improvise a wireless mouse thanks to this program.
Remote Touchpad can be installed easily from the app store of your distro or using your favorite package manager. Also available in a simple universal package Flatpak from here. Once installed, you will see that it is a very simple app, open source, free, and that it works perfectly on Linux with support for X11.
Once you have the app installed on your favorite distro, you open the app and when you run it, a URL and a QR code for you to scan with your mobile device. With either of these two options, you will be able to access the options that will open in the browser of the mobile device, without the need for anything else.
Once inside, you will see that in the web browser of your mobile device you will see the interface of the app as if it were a touchpad so that you can operate your PC from it using your touch screen no need for cables. All through Bluetooth technology which, of course, must be supported for it to work ...