Music Editor is a free Android application developed by Single Minded Productions LLC, categorized under Multimedia and subcategorized under Music & Radio. This comprehensive audio editing tool allows you to perform many useful functions on audio tracks, making it a great MP3 cutter and ringtone maker.

With Music Editor, you can crop or cut a part of the audio and set it as a ringtone, alarm or notification tone. You can also combine or join multiple audio tracks into one, they play sequentially. If you want to mix multiple audio tracks into one, they play at the same time. Additionally, you can split an audio track into two separate tracks, omit or trim a section of an audio track, and even reverse an audio track, making it play in reverse.

Music Editor also allows you to modify the speed or tempo of an audio track, with top-notch sound quality for music. You can modify the pitch in semitones and cents of an audio track, with professional-grade sound quality and formant preservation option. Moreover, you can boost or lower the volume of an audio track with ease.

Overall, if you're looking for a complete audio editing tool that is both free and easy to use, Music Editor is the perfect choice for you.