MP3 Cutter and Ringtone Maker is the best audio editing tool for android mobiles with multiple options: Search your audio track from list, set selections either by selection bars or star & time, play the selected track, trim it, save your tone, make it as Default Ring tone or a Special Contact Tone.
Audio Cutter is fine application for making any type of ringtone like Islamic, etc.

Features :
♫ Choose your audio file from search bar
♫ Make Selection either by Selection bars or Star & End time.
♫ Play Selected audio track
♫ Trim and Save your file to SD card,
♫ make it as Default Ring tone or
♫ Special Contact Ring tone.