The phrase refers to modified operating systems based on the Android Open Source Project (AOSP) tailored for specific devices, often offering features, optimizations, or visual appearances not found in the original manufacturer’s software. These systems are typically created by independent developers or communities. As an example, a system might remove bloatware, enhance battery life, or offer a more streamlined user interface compared to the stock Android version.
The utilization of such systems can lead to improved performance, extended device lifespan through ongoing updates, and greater user control over the operating system. Historically, these alternative systems emerged as a response to manufacturer limitations and delayed updates, empowering users to customize their devices to align with individual preferences and needs. This allows device owners to extend the useful life of their devices beyond the manufacturer’s support cycle.