"When you’re on foot just stepping off the bus at a crowded intersection..." I think you missed the point. It's not an aide to use while you're following the d

"When you’re on foot just stepping off the bus at a crowded intersection..." I think you missed the point. It's not an aide to use while you're following the directions (like a TomTom). It's there so you know which way to walk at the start of your journey.