Google Play (ベータ版あり)
https://play.google.com/store/apps/details?id=com.maxmpz.audioplayer&;hl=ja

Poweramp Forums (ベータ版apkあり)
https://forum.powerampapp.com/

Poweramp α704
http://www.apkmirror.com/apk/max-mp/poweramp/poweramp-alpha-build-704-uni-release/poweramp-alpha-build-704-uni-android-apk-download/download/

前スレ
Powerampスレ Part2
http://egg.5ch.net/test/read.cgi/android/1531082473/