This document exposes a technological tool to support the learning of Phonological Awareness skills, built under the guidelines proposed by Jiménez and Ortíz and aims to train high school children in the acquisition of this metalinguistic skill through a variety of activities (syllabic, intrasyllabic and phonemic awareness) and immediate feedback, to acquire an adequate reading-writing process. The tool obtained is an application for the Android operating system that is easy to install, learn and configure by the therapist. For the construction of the software prototype, we have chosen to follow a methodology that is based on: i) the ADDIE instructional model (Analysis-Design-Develop-Implement-Evaluate), ii) the agile development methodology SCRUM, iii) the Methodological Guide for the creation of developments accessible virtual curricula; and iv) the Technology Acceptance Model (TAM); with the contribution of a multidisciplinary team made up of experts in information and communication technologies, linguistic rehabilitation, education and graphic design. During the five phases of the methodology, the requirements of the users were considered.

Keywords
Phonological awareness, School children, Linguistic rehabilitation, ADDIE, and TAM.