AbstractThis article analyses different methods of adapting digital content for its delivery via mobile devices taking into account two aspects which are a fundamental part of the learning process; on the one hand, functionality of the contents, and on the other, the actual controlled navigation requirements that the learner needs in order to acquire high level knowledge.Currently the existing development processes consist of adapting content ad-hoc considering the device's special technical features and the programming language which has been used.Designers and programmers pay special attention to the increasing need of implementing and going about the creation process in a systematic way. This obviously leads to a growing need to establis...