When receiving a call, the screen changes and the map is no longer visible. This effectively negates the Android’s multitasking capabilities, whose chief in-car benefit would be to use the phone and navigation simultaneously.

The power and potential of Google Maps Navigation has captured the attention of the GPS industry and tech enthusiasts, but this service has a way to go to be compared among the best solutions for GPS navigation.

But there's a reason why the Android 2.0-based software sports that all-important 'beta' tag - and it's probably down to things like this: a turn that suggests driving the wrong way up a freeway before veering through a lane of oncoming traffic into a solid concrete underpass.

Repetitive voice prompts. Numerous UI issues. Street view doesn't help you exit highways.