This document discusses gvSIG Mobile and gvSIG Mini, which are lightweight clients for mobile devices that can access spatial data infrastructure (SDI) and location-based services (LBS). It provides demos of gvSIG Mobile, a Java-based tile and route map client, and gvSIG Mini, a map client under development. Both clients were developed by Prodevelop, a Spanish company that develops free and open source geospatial software like gvSIG desktop GIS.