A free program for Android, by Glauco.
If you have an Android device that can record to your phone or tablet, you can use Recording Studio to make a simple recording.
There are a lot of different options for the sound that you can record with this tool.
You can choose between several different sounds, and you can change the volume of each one.
If you want to make a more professional recording, you can edit your audio in the integrated sample editor. There are a lot of different options that you can change, like the volume, sound, pitch, and so on.