A mobile operating system and a specific iteration number are referenced. This version, released in 2013, is known as KitKat. It succeeded Android 4.3 (Jelly Bean) and preceded Android 5.0 (Lollipop). It brought improvements like immersive mode, printing framework, and screen recording capabilities.
This iteration was significant due to its efforts to optimize performance on lower-end devices, expanding accessibility to a wider range of users. Its compatibility with a vast number of applications at the time made it a stable and widely adopted operating system for several years. Furthermore, its design language influenced subsequent versions of the platform.