Redmap (Range Extension Database and Mapping project) is a citizen science research project that invites Australians to share (or "log") sightings of marine species observed that are ‘uncommon' to their local seas. The species identification of these sightings is verified by a panel of Australian expert marine scientists.
This application is totally safe for downloading. Institute for Marine and Antarctic Studies is the developer of the app that can be found in the Educational category. The most recent update of the tool was launched on Aug 8, 2014 and Redmap has been installed by over 1K users.
Google Play displays that this application is rated 4.6 by its users. Download the installation package of Redmap 1.5.4 that is provided for free and take a look at users' reviews on Droid Informer. The app is developed for Android 4.0 and higher.