A free program for Android, by NCH Software.

If you need to make a recording or listen to a particular sound, you have the best solution right in front of you. This application is a perfect tool for your smartphone and tablet. You can use it to record a voice, music, or any other audio. All you have to do is to use the built-in microphone to record whatever is happening around you.

There are various recording formats available on this app. It supports MP3 and WAV formats. 

This application is designed to be simple and easy to use. You can use it for making presentations, creating an audiobook, and even recording a message.