Sounds like something you could build with Mapillary, they have an API to get the images, the web view is all HTML5, key nav would be easy. See http://www.mapil

Sounds like something you could build with Mapillary, they have an API to get the images, the web view is all HTML5, key nav would be easy. See http://www.mapillary.com/map/im/WNYdrxB1Q8tiICsCFTra0A http://www.mapillary.com/map/im/WNYdrxB1Q8tiICsCFTra0A for an example