thanks for asking. Remote Buddy changes the active behaviour 
automatically as soon as the active (which usually also is the 
foreground) application changes. The only exception from this right 
now is, if you manually activate a behaviour via the menu. Remote 
Buddy then assumes you want to stick with this behaviour and disables 
the automatic switching until you deactivate the behaviour via the 
menu again. I do think about making the "sticky" functionality 
optional, though.

If you are creating a behaviour of your own, please make sure the 
bundle identifier for the respective application is set correctly.

Best regards, 
Felix