This can be a very powerful tool!
Two things would help enormously.
Play all scales using white keys only.
All you would need to know is C major or A minor Scale (it will give people so much more creativity) using familiar shapes.
Be able to record shifted scale on the track. (so if I am playing in C major but I have selected E minor) it should record E minor notes on the track if the option is selected.
Please do this one in cubase 10…
btw 9.5 has some very useful features…