CM12.xCM13 Galaxy S6 is a theme for the Android CM12 theme engine that is based on the Galaxy S6 style. The theme includes various components such as Galaxy S6 icons, control components, quick settings, settings, keyboard, dialer and contact, and themed packages such as SystemUI, Settings, Dialer, Email, Contact, SMS, Phone, Browser, Gallery, Vending, and Eleven.

The latest version of the theme (version 4.3) improves the CM13 systemUI and settings. The previous version (version 4.2) fixed a bug in the mobile settings, while version 4.1 supports CM13 - Androidnewest). The latest version (version 4.0) also supports CM13 and improves Eleven music. The theme has undergone several changes and improvements with each version.

To apply the theme, users need to reboot their phone and after that, they can enjoy the Galaxy S6 style on their device. The developer, WSTeams, also advises that users should visit their Google+ community for more information.

Overall, CM12.xCM13 Galaxy S6 is a free theme that offers a unique Galaxy S6 style for Android's CM12 theme engine.