ECG Live Wallpaper is a free Android app developed by atbarrington under the Utilities & Tools category. It allows you to monitor the electrical activity of your phone's battery life by displaying an electrocardiogram line tracing on your wallpaper. The ECG line scales in size with the battery life and eventually flatlines when the battery is fully charged.

The app offers customization options for the ECG line such as various colors to choose from. To set the wallpaper, simply tap and hold your finger on the home screen, select Live Wallpapers, and choose ECG Live Wallpaper.

Overall, ECG Live Wallpaper is a unique and fun way to keep track of your battery life. If you enjoy the app, please leave a rating.