Wow...hehe.... it's really impressive, but a few questions though.

First, I have only touch screen in my car's DVD radio, so I don't know quite much about these.

1. It seems that the pen doesn't respond to where you're pointing, or it's just happened (maybe it needs more work?)

2. There are already touchscreen LCD monitors. Do you think that it worth trying for a driver there, or it's really another story?

Great work though, congrats!

1)It's only a calibration problem, not a driver problem. I'm working on the calibration tool :)

2)the only problem is finding documentation, but the story is quite the same.

By finding the documentation you mean the one that comes with the specific monitor you buy right?

Does this manual holds any specific informations for touchscreen drivers for example?

yes. For example, my Lilliput touchscreen is provided with "eGalax Software Guide", explaining the USB protocol.