An improvement of design and user interface of the OLU mobile application was made during last period. Rules of the Material Design (https://material.io/guidelines/) were incorporated in the new design. The design of both mobile and web browser version of the application will be unified for the future. Some features of the graphical user interface were improved other one will be added during next steps. In general, changes should bring straightforward and more consistency of the GUI and thus easier usage of the application. One of mashups is shown on the next figure. A prototype will be finished in the next step and tested on new features. According to testing results, web services of the SensLog VGI module will be modified.