A free app for Android, by The AppGuru.
If you like listening to music and popular audio, you might want to download and install this tool on your Android phone or tablet.
The AMR to MP3 Converter app is a powerful audio converter that allows you to convert AMR audio files into MP3. This way, you can seamlessly listen to popular audio. In addition, you can also convert AMR files to other formats, including M4A, OGG, and WAV.
What makes this application even better is it lets you record audio in AMR format. Then, that recording can be turned into an MP3 one.
This app is available for free on Google Play Store.