You are downloading the All About Atom XAP file v18.104.22.168 for Windows Phone. All About Atom is a free and useful Books & Reference app: All About Atom application for Windows Phone devices.This application is about Atom and subatomic particles.Features:- ... You can now download the offline XAP file to install & try it.
Download Locations for All About Atom 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 All About Atom XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.