In the city of Merida, Yucatan, we took the mobile technology to support productivity and streamline the performance of activities. Therefore we developed the Logbook application for Expertise, a technological tool that facilitates the experts in Municipal Construction (PCM) of the City of Merida bring their logbooks and organize your visits. In this application may display the list of assigned procedures, generate a log cards and add notes with descriptions and photographs each. It is necessar