https://play.google.com/store/apps/details?id=com.clogica.mp3cutter this App it’s good to used for the visually impaired people’, but is not every handsets are the similar because depends on the accessibilities version. But I used, and my friend who is used it first, and he send me that Audio he was made) then I like it so much. The activities of it, we can cut, and merge, convert, amplifier, join, mixing. This is as we have tested by Mr Kamdathmu Langstang, and my self. For sure we saw this is working fine with us, but we would like to see if anyone has been any issues) and then we can look it, or review of it together as much as we can.