Are you looking for Nero Cool tech theme to customize your phone background? Black Tech Theme from C Launcher is exactly what you're looking for! Black, magic cube, will transform your Android device with a black launcher theme! All the cool tech theme experience will presented in this cool Black Magic Cube Theme. How about the icons?
A free .apk installation package of Cool tech theme 4.8.6 can be downloaded from Droid Informer and you can read users' reviews on this site. Prepare 2 MB of free space on your device for this app setup package and take into account that it works fine on Android 4.0 and higher. The antivirus report shows that the app is totally safe for usage. C Launcher Themes created this application that lies within the Art & Design category.