Geopaparazzi is a tool for digital field mapping on Android devices. It allows users to take geotagged photos and notes during surveys. Key features include geotagged notes, GPS tracking, map viewing, and easy export of collected data. The document provides instructions on installing Geopaparazzi from the Android Market, taking notes and photos with geotagging, viewing maps and data, and exporting data for use in GIS software.