You are downloading the StreamToApp Universal AppX file v22.214.171.124 for Windows Phone. StreamToApp Universal is a free and useful Music app: StreamToApp is a custom application builder targeting Windows Phone 8 and Windows 8 platforms.Follow the simple 3-step procedure (no coding, ... You can now download the offline AppX file to install & try it.
Download Locations for StreamToApp Universal 126.96.36.199 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline StreamToApp Universal AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.