What is samsung galaxy s4 launcher?

Samsung Galaxy S4 launcher is the user interface that appears on the home screen of the Galaxy S4 smartphone. It is the graphical shell that allows users to access and navigate through the device's various applications and functions. The launcher includes customizable home screens, shortcuts to frequently-used apps, and a range of widgets designed to display news, weather, and other important information. Users can also customize the appearance of the launcher, changing the wallpaper, icon layout, and other settings to suit their preferences. Additionally, the Samsung Galaxy S4 launcher supports gesture controls, allowing users to swipe, pinch, and tap their way through the device's features with ease.