KXMX Bluemchen is no longer available, unless there would be another run some time in the future.
Having a display is awesome and especially for working with wavetables, but it’s particularly useful if you can draw the wavetable itself. Which means coding in C++. So if you were going to use gen~, you won’t lose much by sticking to the Versio that you have, especially if you’re just learning new things.