Add to ORKGThesis deals with development of applications on the mobile platform Android. The introduction chapter presents the Android operating system and development environment. The latest version of the current operating system 2.2 (Froyo) and its associated Android Software Development Kit is presented. In addition, there is a presentation of mobile phone hardware that have the Android OS (operating system) installed and use the application Vodič po Ljubljani The central part discusses the process of developing application in case of Vodič po Ljubljani and the possibility of using mobile devices for viewing and exploring the city. The entire course of development of mobile application, testing and final publication of applications at the Android...