I want to be able to use the touchscreen on my Android smartphone as an input device for drawing in paint and other programs on my PC. Is there an app that does this?
You can try these apps :
Hello, the app described in the article can become a touchpad for you PC. Whether it is good enough to draw, I do not know, but what is important is that it can be used to control your PC:
You mean to say that you want to control your PC remotely.For this, you can use Teamviewer app for Android.