I overall like it a lot, not bad at all for their first release, a few points :
There is no way to save locations or bookmarks unless you sign in with your google account.
No way to edit saved locations or change their names, this could be a problem if you have a lot of places saved since all you see is addresses ( unless you save a place google recognizes, like a restaurant or mall, etc ).
There should be a way to lock the map in the " north up " position, it's really sensitive when zooming in and i keep rotating it.
No access to " recents" places or routes, if you looked for something an hour ago it will be gone when you move on, unless you save it.