DescriptionContactMap puts contacts from your phone address book on a map. Only home addresses are used.
Profile pictures are used if available. Navigation to contact address from current position is also possible.
Regarding the permissions:
Needed to get directions.
Needed to retrieve location and map data.
YOUR PERSONAL INFORMATION
Needed to retrieve the name and postal address of the contacts required for displaying on the map. No other contact info is read. The contact info read is NOT transferred anywhere.