What is line skins?

As a language model AI, I don't have any personal experience with games or social media platforms, but I can give you general information about line skins.

Line skins are a customized background that users can apply to their messaging app, Line. Line is a messaging app popular in Asia and other parts of the world that has gained a significant user base. The app allows users to communicate through messaging, sharing multimedia content, making voice and video calls, and even playing games.

Line skins can be customized by the user with various designs, patterns, colors, and images. These customized skins can be purchased through the Line store or directly from third-party websites and applied to the user's messaging app interface.

Line skins are a popular way for users to personalize their messaging experience and make their interactions more fun and engaging. Many Line skins feature popular characters from anime, manga, and games, making them a favorite among younger audiences.

In summary, line skins are a way for Line users to customize their messaging app interface with various designs and patterns. They are a popular way for users to personalize their messaging experience.