This work gathers a research carried out on the use of context-aware technologies in their application to the field of mental health. It begins by performing a deep state of the art of mobile technologies used in psychological interventions and extracting the characteristics and disorders most discussed in the literature; It continues to propose a series of considerations to take into account in the development of this type of technologies to increase its chances of success, focusing on three areas of study: Context, Mental Health and the Technology itself; The next contribution is the process of developing a platform that allows therapists to create their own mobile applications with geolocation to customize their own intervention tools without the need for high technical knowledge, the development is based on the learning obtained in the first two contributions, it is described as an intervention example a hypothetical case of depression; Finally, the platform is validated with three patients suffering from two different disorders: Panic disorder and agoraphobia; and gambling disorder.