A free app for Android, by Destiny Tool.

A selection of simple to set ringtone caller songs may be found in the Set Hello Caller Ringtone Android app. By configuring a caller tune, this software enables you to force callers to listen to your preferred song. You can download the newest MP3 songs from this collection.  With its mp3 cutter ability, you can also modify the tune by removing the section of the music you want to use as your tone.

You can record your own song using Set Hello Caller Ringtone. To further customize the look of your Android device, this app also includes high quality wallpapers.