Unfortunately Carl, I have 18 other devices integrated into a 3 layer architecture, Start, Control and Engineering , using AMX netlinx where I don't have to touch a physical device at all and it is all done via touch panel. Closing the AMX app to open the VNC app and losing access to the rest of the system is not a practical solution in this instance.
From the screens, shown below, when a device button is touched it pops up the screen for that device and slots it into the center of the main screen (the images are not to scale).
You can see the RS20i button at the bottom of the grey screen, and then the top layer RS20i screen would open in the middle of that screen followed by its own pop ups.
Surely, as a min, to provide at least the Information bar status should not be a major issue. With that one can at least confirm that the right Input, EQ,, Source, Output and Decoder type have been selected.
The only other option I see is to explore if any VNC app supports URI's permitting one to open the VNC app from a button within TP Control AMX software. TP Control permits AMX panel software to run on an iPad.
Carl, are you aware of any VNC software that supports URI's ?
Thanks for you input Carl and any help would be much appreciated.