BL Aluminium Theme is a personalization app that allows users to customize the appearance of their BIG Launcher app. This theme is compatible with the latest version of BIG Launcher or BIG Launcher FREE DEMO and can be applied by going to Preferences -> Appearance -> Select theme.

Users can also use custom icons by going to Preferences -> Customize buttons and screens. If the theme is active, they can choose from the Internal icons as well as from the theme icons themselves. It is important to note that themes can be memory intensive, so it is not recommended for low-end devices.

For additional support, users can visit the BIG Launcher website to watch video tutorials or read the user manual. If any issues arise, users can contact the developer at Overall, BL Aluminium Theme is a great option for those looking to personalize their BIG Launcher app with a sleek and modern look.