Great idea! Did not work when I needed it the most at the Castle. Probably due to poor WiFi, but app should display more informative errors, rather than just "app error"?! Now when I downloaded English data at home it works. Generally it is amazing idea.
Travel guide with audio sightseeing tours for 900 cities around the world!
Audio Guide on Mamayev Kurgan the 70th anniversary of Victory in the Great Patriotic War.