This paper discusses the possibilities of integrating applications with Facebook Platform. Its purpose is to provide a comprehensive view on this issue, both theoretically (overview of API and tools) and practically (demonstration of the major opportunities of integration within the sample application). Due to the nature of the problem that is constantly evolving and changing, the main benefit is to describe the currently usable tools and technologies, organize the available information and supplementing it with other useful knowledge gained in the course of this work. In the first part Facebook Platform is introduced, the basic source of information (especially for new developers) summarized, as well as ethical and commercial aspects and f...