Notification LED is an Android application developed by tmrks that falls under the category of Utilities & Tools. This free app is designed to display the battery level of your Android device through the LED light. The LED light color changes based on the battery level and completes flashing when the charging is complete.

The Notification LED app is easy to use and has a straightforward interface. It provides a convenient way to check the battery status of your device without having to turn on the screen. However, the app may not work correctly if there are other applications with the same function installed on the device.

The app was tested on a Nexus 5 with Android 6.0.1, and it worked well. The LED light color accurately changed based on the battery level, and the flashing indicator accurately showed the completion state of the charge. Overall, Notification LED is a useful and practical app for Android users who want to keep track of their battery level without having to turn on the screen frequently.