Dears.
I play BL2 more then 20 years from 90x.
My favourite mode is 3x3x18 Extended set.
I tried to make convenient controls for my iPhone and I have done it.
You can try it free (pentis app for iOS). I hope you'll like it.
Yours.
Link: https://itunes.apple.com/us/app/pentis/ ... ?ls=1&mt=8