Microphone is a free utility app developed by FAvO Apps for Android devices. The app is designed to output the sound of the built-in microphone and works only in the presence of an audio cable or a Bluetooth audio receiver connected to the smartphone. The app is ad-free and has no additional settings, making it easy to use. The ability to leave the app while using it makes it convenient for users.

The app is simple and straightforward, with no complicated features or settings. It is an excellent tool for those who need to amplify their voice or record audio on their Android device. The app does not require any special permissions, making it safe to use. If you face any issues or want to provide feedback, you can reach out to the developer via email at The source code is also available on gitlab.com, making it an open-source app.