You are downloading the Aki Music Player AppX file v126.96.36.199 for Windows Phone. Aki Music Player is a free and useful Music app: COMPATIBLE WITH WINDOWS 10 PC, TABLETS, AND PHONES. Also compatible with Windows and Windows Phone 8.1.Enjoy full-functionalities trial ... You can now download the offline AppX file to install & try it.
Download Locations for Aki Music Player 188.8.131.52 AppX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Aki Music Player AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.