SL Green Phosphor is a free theme created by Shaddar Kiranov for Smart Launcher, inspired by the popular video game Fallout. This theme is available exclusively for Android users.

To use this theme, you must first download Smart Launcher from the Google Play Store. Once installed, open Smart Launcher and navigate to Preferences, then select Personalization, and finally, Global Theme. From there, you can choose SL Green Phosphor as your new theme.

SL Green Phosphor features a green and black color scheme with a futuristic design that will transport you straight to the post-apocalyptic world of Fallout. The icons are also customized to fit the theme, giving your Android device a unique and immersive look.

Overall, SL Green Phosphor is a great option for fans of the Fallout franchise who want to add a touch of the Wasteland to their Android device.