We have noticed that on Nebo Windows 2.1.2, there is sometimes a pen calibration issue in dual screen:
At first launch, the pen is properly calibrated
If Nebo is closed and launched again, there is an offset between the pen input and the ink that appears on the screen.
We hope to publish an update that fixes this issue as soon as possible, however, in the meantime, there is a workaround, so please launch the interactive tutorial to solve the problem.