Google has overtaken everyone, giving working 3D-card. So far, the list of cities is small, but those that have detail drawn. List of cities, ready for viewing: Boulder, Boston, Charlotte, Lawrence, Los Angeles, Long Beach, Portland, San Antonio, San Diego, Santa Cruz and Tampa in the U.S. and Rome, in addition.
Android users can already upgrade by looking at Google Play. IOS users also do not have to worry about, since they too will receive new cards in the near future.
Update: Google now has video, if you'd rather not (or can't) install the app to try it yourself.