Modern Smartphone with UI Design

A sleek, black modern smartphone is presented at an angle, showcasing its digital display. The screen prominently features a user interface design kit, specifically displaying a login form with input fields for 'Enter username' and 'Enter password', alongside a 'Sign In' button. Text such as 'Android UI Design Kit PSD 1.2' and 'Building Blocks' is clearly visible, indicating its use as a resource for user interface development. The device is identifiable as an LG Nexus 4, complete with its resolution displayed on the lower part of the screen. This image clearly represents concepts in mobile app design and digital prototyping.

smartphone - android - ui design - mobile app - login screen - nexus 4