HeadUp Display

What 's HeadUp Display: (HUD) projects navigation onto windshield of your car, make driving at night more safer and attractive.
How to Use HeadUp Display: 

step 1: Launch the app
step 2: Rotate your iPhone into landscape mode.

step 3: Place the smartphone close to the windshield.
step 4: The exact data include speed, clock and weather is projected onto windshield.