The innovations proposed by the mobile phone market have grown steadily in recent years, along with the increasing complexity of the hardware, operating systems and applications available in this market. These changes bring new usability-related challenges that need to be considered during the application development process, as new forms of user-application interaction increasingly require behavioral adaptation. In this situation, usability is an important issue, which depends on usability factors such as the User, their characteristics and skills, the Task he intends to achieve and also the Context of Use in which the user and the application are inserted. The components of this set are detailed in a set of heuristics previous proposed that was evaluated through two heuristic evaluations, which allowed to incorporate improvements to the proposal. Furthermore, a set of 13 usability heuristics and 183 sub-heuristics were proposed, which, through heuristic evaluations, better results were evidenced. The proposal makes it easier for experts to find a greater number of usability problems, mostly of greater severity, compared to the proposal of Inostroza et al. As possible future work, further evaluations may be carried out to evaluate the proposal to include more experts in the field, as well as to use the set of heuristics in a larger number of applications of different categories
