Ключевые слова: app development, app prototyping, concept, conceptualization, design concepts, design software, design workflow, development process, development tools, digital graphics, graphic design tools, graphics development, interactive prototypes, interface design, mobile app, mobile application, mobile design, mockups, prototype testing, prototyping, software, software tools, testing, ui design, ui ux design, user experience, user feedback, user interface design, user testing, visualization, wireframes,