Mental imagery is the mental ability for representing static or dynamic, mainly optical information in working memory. Mental imagery is involved in supporting mental operations as perception, strategic planning, concept formation, pattern recognition problem solving etc. and furthermore in dyslexia, dyscalculia and other learning disabilities. The usage of mobile and other applications to assess, intervene, and finally improve mental imagery abilities is under investigation in this article. Mental imagery via mobile tech apps can offer great opportunities to people who encounter many problems as far as concerned mental health and more specifically meliorate their mental state, brain activity, high spatial ability, development of their perception. In this paper we identified that advantage of technology through avatars, virtual reality and mobile devices. Mental imagery and mobile tech apps, are extremely beneficial in anxiety, stress disorders, depression, and people with brain injury or other disabilities.