This bachelor's dissertation is about an application for Android. It's described from both a theoretical and practical point of view. The primary aim is to characterize the issues of developing android applications. This includes characterization of the Android platform, development tools, making the application in JAVA programming language and distribution of that application. This bachelor's dissertation is divided into two parts- theoretical and practical. The theoretical part describes the architecture of Android platform (the division into different levels and the description of the separate segments, such as the core, libraries and Android runtime). Additionally, the theoretical part includes a list of development tools and their ch...