1. outline
Galaxy Themes is a Samsung Galaxy theme from Samsung Electronics. It is a theme application and ESD that supports customization based on One UI .
2. Detail
You can customize and use the theme provided by One UI on Samsung Galaxy as you like.

It is a method of installing a new one while leaving the UX-related folder in the existing system folder as it is. It works by resetting the smartphone just like when you turn on your smartphone for the first time and set up the execution environ