Google has updated its Google Earth iOS app with support for KML files to add custom maps and overlays to the earth. KML files exist for all sorts of different types of data, including real-time earthquake maps and airline flight tracking, or educational information about volcanos.
Google Earth is a free download for iPhone and iPad from the App Store. [Direct Link]One of the most powerful features of Google Earth is the ability to view custom maps or overlays, which are also commonly known as KML files. Ever since we introduced Google Earth on mobile devices, users have requested support for custom content. Today, we are proud to announce Google Earth 6.2 for Android and iOS, which includes support for KMLs. Now anywhere you find a "Google Earth file" (KML file) while you're browsing the mobile web, just click on the link and the Google Earth app will automatically launch and load the custom map.
Article Link: Google Earth for iOS Update Adds Support for KML Files