So for most of my time using the CS I just went old school and dialed in most of my sounds. The problem is that one tends to go for pretty straight forward sounds, and sometimes on the fly I want a specific sound and don't have time to dial it up.
So for the last couple weeks I've been using the app and I quite like it.
I do however have a couple suggestions when and if an update occurs, and perhaps this will provide a forum for others who have ideas.
For me there are three things that stand out.
1.Visually having the the perimeter of the patch on the i-device screen turn white is not very visually obvious on stage. I think red of orange along with a wider border might be helpful, or make the entire square a different colour, or much brighter than the patches not in use (but not so much that you cannot read the patch names not in use to find them for the next switch). Also a bigger font option for patch names would be good.
2. I would love it if octave settings could be saved with patches. In many cases the octave setting is an important factor in a patch, and having it saved allows for one touch changing from say a bass patch to a high pitched patch.
3. allowing it to rotate to landscape would be helpful I think.