A hand is holding a smartphone displaying an app store interface. The screen shows recently updated apps with icons and ratings. The top bar includes a search function and navigation tabs.
A smartphone with a black case lies on a light-colored surface. The phone screen displays an air quality application with information about different locations. The top section shows the air quality in Caringin, West Java with 'Unhealthy' status and a temperature of 31.0°C. Below that, information for Paris, France shows a status of 'Very Unhealthy' with a temperature of 19.0°C. There is also an advertisement banner at the bottom of the screen.
Close-up image of a digital screen displaying app icons, with one prominently featuring a QR code symbol inside a square with rounded corners.
Sketches of mobile app designs are drawn on paper, showing multiple smartphone screen layouts with buttons and icons. A person is writing or drawing on one of the sketches using a pen. Additional notes and design elements are visible on the surrounding papers.