Google Maps for Android ranks maps for some indoor shopping malls, airports and railway stations. Currently available only for the United States and Japan.
Until now, the indoors maps were domain of Micorosoft, on Bing Maps. As of today, Android users can also view the indoors maps for places like the San Francisco International Airport, IKEA shopping center in America and some railway stations in Japan.
To view Google Maps Indoor layer on Android just enlarge the building and internal maps will appear automatically. For buildings with multiple floors, users will also be able to change the floor.
After Street View, Maps Indoor is the second major challenge by Google. That is why Google is actively recruiting entrepreneurs who would like their maps in Google Maps Indoors.
It is unclear when Google expects to make this function available for other platforms and for a large number of buildings (for example in Italy), but surprisingly, has already been made available on Android.
Here’s the official Google Video