Use APKPure App
Get iMelody old version APK for Android
Ringtone Maker
Ringtone maker
Using this app you can make your own monotone ringtones!
just type in the notes and hear the result!
This app uses iMelody codes as developed by Sony.
See Wikipedia:
http://en.wikipedia.org/wiki/IMelody
more info: http://frankkie.nl/android/imelody/help.php
The iMelody Ringtones should work on all Android Phones.