You are downloading the Quantum EN XAP file v18.104.22.168 for Windows Phone. Quantum EN is a free and useful Education app: Did you know that there is a world where objects can be in thousands of places at once? A world where you cannot measure the exact position of an ... You can now download the offline XAP file to install & try it.
Download Locations for Quantum EN 22.214.171.124 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP 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 Quantum EN XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.