Sorry for being late in reporting here, but my wife is handicaped and required lots of my attention these last days.
The iPad app works well and the latest version is much more responsive than the earlier ones.
The only problem I have is that the Mic command does not work in FSX on my system. It sends a key stroke `which in the server window appears to be "tilde" while the command to activate the ATC window on my (french AZERTY) keyboard is ù
Jean-Jacques