mp3 Frame Editor lets you edit your mp3's without having to decode them and encode to mp3 again (loss of quality). Edit (copy, paste, etc), volume/balance change, fade in/out, add silence, and more.
FEEMp3. PLUS Freemp3puls freemp 3plus FREEMP3LUS Mp3 editor java app FREEMP3PUS FREEMP3PLS freemp3plur Fremp3 plus
download a mp3 audio fram editor for android