Mp3 Cutter & Merger is a software for modifying Mp3 information in your Android machine  and the app focus is on creating ringtones  notification tones  alarms and so forth mp3wrap can be very best for this - it is designed to join collectively MP3 information  without having to decode + re-encode the data (which might end in a loss of audio high quality) and will also cope with the ID3 tags intelligently