You are downloading the Endless Reader AppXBundle file v2015.316.2053.975 for Windows Phone. Endless Reader is a free Education App: As a follow-up to Endless Alphabet, set the stage for early reading success with Endless Reader! This app introduces "sight words", the. You can now download the offline AppXBundle package file to install & try it.
Download Locations for Endless Reader 2015.316.2053.975 AppXBundle file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Endless Reader AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.