What do I use Hudway app for? Hudway app is made for navigation in head-up display mode. It reflects the live route view on your windshield as you drive it, and allows you to foresee how the road bends ahead. Have more questions? Submit a request 1 Comments Date Votes 0 Barbara Mosley January 26, 2018 04:03 Can I add addresses ahead of traveling Please sign in to leave a comment.