Mappa is a free Android application developed by Adrià Arnau in the Travel & Navigation category. Its main purpose is to provide a map viewer that allows users to consult the Spanish cadastre (excluding Navarra and País Vasco) through the website of La Dirección General del Catastro del Ministerio de Hacienda y Administraciones Públicas and the Google API.

The application is straightforward and easy to use. It offers a simple interface that allows users to enter an address or location and instantly view the corresponding cadastre data. The map is clear and easy to read, and the application is responsive and fast. In addition, the application does not require any login or registration to use, making it accessible to all users.

Overall, Mappa is a useful tool for anyone who needs to consult the Spanish cadastre data on the go. Its simple interface and fast response time make it an excellent choice for those who need to access this data quickly and easily.