I tested it - you can do some work with it, although it is quite frustrating,
seeing the result when setting the polygons to a reasonable account.
But that's a matter of modelling trees in general, I guess.

Another point is exporting - I had to seperate the uv-layout of the leaves the second skin - that with the leaves - by hand.

The way via obj to Blender and export with ventilator's exporters to mdl didn't work - it throws an error message when exporting and refuses to build the mdl.