Adreno is a brand of graphics processing units (GPUs) developed by Qualcomm. These GPUs are designed to enhance the visual performance of mobile devices, such as smartphones and tablets. They support advanced graphics rendering, enabling high-quality gaming and multimedia experiences on portable devices. Adreno GPUs are integrated into Qualcomm's Snapdragon processors, which power many Android devices. They provide features like hardware acceleration for graphics and support for various gaming technologies, making them popular among developers and users who seek improved graphics performance in mobile applications.