I've seen Let's View recommended here before, but have not tried it personally. But, it seems to be what you're looking for, if you wanna give it a shot. I plan to test it eventually but just haven't had the time. Source: over 1 year ago

I use LetsView. It’s a free phone app and PC app that lets you stream your phone screen. I also bought an adapter that lets me plug an ethernet cable into my phone for better stream quality, but LetsView has been all I’ve needed. Source: almost 2 years ago

I have used letsview to do this: https://letsview.com/. Source: over 2 years ago

Let'sView can wirelessly mirror android to PC and vice versa, but I think it needs a USB connection in order to control the phone with the mouse. Source: over 2 years ago

Watching movies is one of the best bonding you can do with your family at home. However, you cannot enjoy watching movies on your phone. Good thing is that you can now watch your favorite movies on your phone to your TV by using screen mirroring tools like LetsView. Check this amazing tool to enjoy your favorite movies at home with your family and follow the simple steps provided below. Source: over 2 years ago

RemoteMouse (remotemouse.net) I did it through wifi, there's no noticeable lag. It has left-click if you hold, and rightclick if you press hard or hold long (but that didn't work as well). Source: over 1 year ago

There's this remotemouse.net which would make my iPhone function as a trackpad/mouse. Source: almost 2 years ago