G4 Launcher and Theme is the best app for Android devices. It will make your phone look like a G4, and it will let you have a brand-new experience on your Android device.

If you want to try a new style, you should download this app and try out the G4 UI.

It contains dozens of 3D wallpapers and also has 2K wallpapers. You can use the wallpapers for your home screen or lock screen.

How to use:

This app is very easy to use. Just tap your home button, and you will be prompted to select your default launcher or to change the default launcher. If you want to change the theme, just tap the theme button and you will be able to choose the new theme.