This theme is for AOSP roms with xTheme Engine. Its purpose is to enhance the Android UI without compromising the vanilla look. NOT suitable for Lollipop! If you have a ROM like Cyanogenmod 10/11 & co. Download the version for theme chooser. For more info regarding xTheme chooser read here. HOW TO APPLY: Install Xposed Installer from here.
You are able to download the installer of Black Infinitum 1.4.4 for free and check out users' reviews on Droid Informer. The app runs on Android 4.0 and higher. The download of this application is safe and secure. Razer is the developer of Black Infinitum that refers to the Personalization category.