Gas Detector is a free mobile app developed by Futuresafe Tech, available for Android devices. It falls into the category of Utilities & Tools and is designed to help you keep your environment safe. The app features three common versions of gas meters that allow you to test different gas readings and determine whether the environment is safe or not.

The app is easy to use and provides step-by-step instructions on how to switch on the gas meters. Once switched on, you can easily test various gas readings to determine the safety level of the environment. Additionally, the app includes a trainer mode that allows one trainer to control up to eight other student devices.

Overall, Gas Detector is a useful app for anyone who wants to ensure their environment is safe from gas leaks. The app is free to use and provides easy-to-follow instructions, making it accessible for anyone to use.