Explore case studies of optimizing the Enlightenment Foundation Libraries (EFL) for wearable devices in this informative conference talk. Delve into the decade-long development of EFL, its use in Samsung's Galaxy Gear smartwatches, smartphones, and TVs, and learn about techniques for optimizing CPU, memory, and energy efficiency. Gain insights into addressing energy consumption constraints and the challenges posed by the obsolescence of Moore's law. Discover valuable optimization strategies applicable to hardware efficiency and graphics rendering, covering topics such as speed optimization, memory usage, network optimization, battery conservation, userspace and scheduler improvements, and visual design enhancements.