After years of torturing customers with the hopelessly bloated TouchWiz UI, Samsung's software team has drastically improved the user experience on recent flagships. The latest interface is OneUI, and if you want to change the look of it you can do so using themes found in the Galaxy Store. There's little room for self-customization though, which is where a new app called Hex Installer comes in. It allows you to tweak every bit of the UI to your liking, including within some third-party apps, which is very reminiscent of Substratum.

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