TOP FUN ringtones is free app uses existing ringtones
Features:
Preview the ringtone files and assign to functionality.
Play anywhere else by tapping the screen.
Copy, cut and paste.
Save the recorder audio as a new audio file and mark it as Music, Ringtone, Alarm, or Notification.
Assign a Ringtone directly to a contact, you can also re-assign or delete the Ringtone from contact.