You are downloading the Read Later AppX file v220.127.116.11 for Windows Phone. Read Later is a free and useful Productivity app: Read Later is a simple app that allows you to share any web page to Pocket, Instapaper or Readability. Where ever you see "share" or "share ... You can now download the offline AppX file to install & try it.
Download Locations for Read Later 18.104.22.168 AppX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Read Later AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.