Just about as fun as it is to drive it, coding the client in Android was quick an fun experience.
The interface had to contain just the essential elements. While the target hardware has abundant resolution (480x800), like in any mobile platform, screen real estate is always a concern. As such I had to economize on the components to be displayed. The result was a relatively simple UI:
It shows the data from the different active sensors (speed, 3 obstacle range values, temperature and battery status). One slider controls the throttle (the vertical one), and another slider controls the intensity of the LED headlights (also enabling the switching between white and UV LEDs).
The video below shows the car in action, this time controlled by the Android phone: