You are downloading the Qmusic by QNAP XAP file v18.104.22.1689 for Windows Phone. Qmusic by QNAP is a free and useful Music app: Qmusic allows you to easily stream the music stored on your QNAP NAS to your Windows Phone. Qmusic is available for QNAP NAS with QTS 4.1.0 (or ... You can now download the offline XAP file to install & try it.
Download Locations for Qmusic by QNAP 22.214.171.1249 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Qmusic by QNAP XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.