The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Candle Power:
DescriptionDont get lost in University Park Campus, University of Southern California, Los Angeles.Simple but must-to-have mobile app for USC community. FeaturesSearch Building Search a building with names (and their acronyms) and display the location of the building in USC University Park CampusBuilding Information Provide information about a selected building in USC University Park Campus such as name, address, offices, contact informationRouting provide a walking route on map from a building to another building within USC University Park Campus with an estimated walking time in minutes