Developed and integrated a display shield for the STM32U5A9J development kit on Zephyr RTOS, enabling a touch-enabled graphical user interface for enhanced user interaction and demonstration capabilities. The work focused on configuring I2C communication and updating device tree source (DTS) files, including the addition of a touch I2C node for the st_lcd_dsi_mb1835 shield. Board support was updated to ensure seamless shield operation, with all changes contributed to the zephyrproject-rtos/zephyr repository. This effort accelerated UI feature development and improved product readiness by providing robust end-to-end support for display hardware using embedded systems and device tree configuration skills.