Radio for example EPMO in SkyDemon is 123.920 should be 123.925 and this mistake is in other arfields radios (EPGY)

Thanks, I can see the frequency issue and we will fix this in the next chart update. It's just that the trailing 5 which of course should be present on such frequencies has been truncated, so hopefully it is obvious which ones need the 5 adding back.

We do not depict class G airspace explicitly in SkyDemon; all areas which are not controlled airspace are assumed to be class G.