The application is a macOS utility designed to restore the classic, three-dimensional aesthetic of older operating systems to modern Mac interfaces . It is particularly popular among users who find the flat, transparent design introduced in macOS Big Sur and later to be less legible or visually appealing. Key Features and 1.6 Enhancements

: Users often pair it with other "lickable" or glossy UI tools to replicate the experience of older Mac OS X versions like Tiger or Mavericks.

The app focuses on returning depth and shadow effects to the top of the screen that were standard in macOS versions from a decade ago.