eDex UI is an Android personalization app developed by Fighting Spirit. The app allows you to use your phone like a hacker with its built-in commands, including adding or removing apps/contacts from folders, restarting, toggling WiFi and Bluetooth, displaying folders, and more. You can also customize your launcher by setting wallpaper, text color/size/font, keyboard, and even applying an icon pack. Additionally, the app features widgets to make your launcher even cooler and a powerful shell to run shell commands.

Overall, eDex UI provides a unique and fun way to personalize your Android device. With its built-in commands, customization options, and powerful shell, you can make your device feel like it's truly yours. The app is free to use and is a great option for those looking to add some personality to their Android device.