I have recently flown around the Scottish isles with a friend who was using an alternate navigation and flight planning system. I was interested to see that while in navigation mode he could change his route and make a diversion by touching and dragging. Unless I am missing something I found I had to click on stop navigating >change my route which reconfigured the map> re adjust everything and then go back into flight mode. It seemed that for him he could simply drag and change the route and nav and route info followed. Am I doing something wrong?