In the time that it took for an update to download and install, NAVIGON went from being the first GPS app that VoiceOver users were likely to recommend, to being unusable.
Running NAVIGON 2.0 with VoiceOver seems to need more resources than older iDevices can muster, resulting in erratic and unresponsive behavior from the app. If you have anything other than an iPhone 4S, the chances are that simply trying to get NAVIGON to respond to a double-tap will have you throwing your iDevice atā¦