The present invention provides a system that enhances the experience of using a portable device such as mobile phones, smart phones, Personal Digital Assistants PDA etc. To improve the user experience in the use of a portable device, techniques are used for “context characterization, i.e., from a range of conditions possible to detect by the system, such as time (date/time), current location, motion, etc., as well as the historical use of the device, a certain grouping of actions and settings, called “context” are selected automatically or manually, modifying and setting from that moment the way of user interacts with the device.