A method of providing learning content on a mobile device. The method comprises receiving a user selection, through an interface on the mobile device, of a folder in a catalog of learning courses, wherein the catalog comprises a number of nested folders within a hierarchical file structure. It is determined if the selected folder contains nested folders. If the selected folder contains nested folders, the nested folders are displayed in the interface. If the selected folder does not contain nested folders, a number of learning courses in the selected folder are displayed in the interface. In response to receiving a user selection of a learning course in the selected folder, the contents of the selected learning course are displayed in the interface.
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