Magnetic Radiation Detector-EMF Meter is a free Android utility and tool app developed by Zdroid. As the name suggests, it detects the magnetic radiation that emits from electronic devices such as cellphones and laptops. The app uses a magnetic sensor to detect the radiation and has two meters, one digital and one analog, to display the radiation strength.

This app is simple to use. After installing and opening the app, click on "start" and select the meter. The meter will display the strength of the radiation emitted from your device. This app is useful for those who are concerned about the amount of radiation they are exposed to on a daily basis.

Overall, Magnetic Radiation Detector-EMF Meter is a useful app for anyone who wants to monitor the radiation emitted from their electronic devices. However, it should be noted that this app is not a substitute for professional testing and should not be used as the sole means of determining the safety of a device.