In this paper are presented the reasons why the sale of mobile devices has greatly increased in the last period. It is presented the evolution of mobile devices sales in the last 20 years. The main types of applications used today and how it will evolve in the near future. Development and using trends in mobile computing are presented. Key aspects of quality assurance in mobile application development projects are presented. Factors that influence the management process of a project are highlighted. A comprehensive analysis of the positive or negative impact that these factors exerts on the quality of the project is performed. Tools and methods used in the quality assurance process for mobile applications development are presented. The importance of quality assurance testing process is underlined. Access full paper here.