Ключевые слова: app design, app development, concept design, concept enhancement, creative design, design concepts, design enhancement, design prototyping, design tools, development process, enhancement tools, graphic design, graphic development, graphic tools, interface design, mobile app, mobile development, mobile ui, mockup testing, product development, prototype design, prototype software, prototype testing, software development, software tools, testing tools, ui design software, ui ux, user experience, user feedback, user interface, visual design,