The phrase denotes the foremost or most popular choices among the customizable interfaces displayed on Android devices when the device is locked. These interfaces often feature notification previews, shortcuts to applications, and security measures like PIN codes or biometric authentication. A frequently cited example includes a display that allows users to quickly access the camera or control music playback without fully unlocking the device.
Customizing this interface offers several advantages, including enhanced security, improved user experience, and increased productivity. Historically, the basic lock screen served primarily as a security barrier. However, with advancements in mobile technology, its role has expanded to provide quick access to information and frequently used functions, contributing to a more streamlined and efficient mobile experience. This customization ensures immediate access to pertinent features, minimizing the time spent unlocking and navigating the device.