Try Google’s new wallpaper app ‘Meter’ for Android
Google has quietly launched its new wallpaper app ‘Meter’ for Android devices. This wallpaper app shows battery, WiFi and notification information on your home screen. So, information will be easily accessible. It will change the geometric shapes on the wallpapers based on real-time stats of different things including WiFi signal strength, battery life, and notifications.
Wallpaper randomly displays these three statistics on the screen.Locking or unlocking and opening or closing app will rotate the wallpaper so that you are up to date with latest information.
It is open source and code can be found at https://github.com/googlecreativelab/meter.
This app is available for free. You can download it from Play Store.