Augmented reality is a computer-generated image of the real-world environment and its contents; It is a live or indirect physical view created by enriching with sound, image, graphic and GPS data. This concept is briefly changing and enhancing reality by computer. Technology functions to enrich one's reality.

Virtual reality (VR) is a simulated experience that can be similar to the real world or completely different. Virtual reality applications can include entertainment (eg video games) and educational purposes (eg medical or military education). Other, different types of VR-style technology include augmented reality and mixed reality, sometimes referred to as augmented reality or XR.

Mixed reality (MR) is the fusion of real and virtual worlds to produce new environments and visualizations in which physical and digital objects coexist and interact in real time. Mixed reality is a mix of reality and virtual reality, not just in the physical or virtual world.

Mobile application development is the process of preparing applications in smartphones and tablets and presenting them to users. With the advancement of technology and the increase in the use of mobile devices, mobile applications are increasing.

The concept of UX focuses on the functional characteristics, speed, technological competence of a design, content and customer experience. The concept of UI includes the external appearance of a design, ie interface features. Aesthetic details and everything about appearance are related to the UI.

Software testing is research conducted to provide stakeholders with information about the quality of services or products under test, software testing is also an independent and objective study of software to understand the risks of software applications.