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What apps have got elaborated AB sdk panel
The title my not be easy to understand. Basically I had a pleasure to use Live fx app within audiobus and noticed it has a very handy setup panel within AB controls which allows for switching effects presets. It does take a bit more of space but offers some control without having to switch back and forth between apps. I'd love to see that kind of thing within Turnado or sampler for muting/unmuting various loops etc. So back to the question: what other apps sport that kind of custom sdk and why developers are reluctant to implement it. I paste @Sebastian and @Michael as they are probably the most knowledgable on the matter and they may chip in once they're back from the well deserved holidays 
Comments
The Holderness Media apps immediately come to mind. Echo Pad's implementation, esp.