Do you want to cut mp3 or any sound and make ringtones? This is the source code of the mp3 cutting app to build your own app for the Android platform. Download this app source file and start building music cutter and ringtone maker app. The MP3 cutter helps you cut music, cut sound and set ringtones easily and conveniently. You can cut the best part of the song, audio or MP4 video and save it as ringtones / alarms / music files / sounds.