You are downloading the Walmart Mobile APPX file v184.108.40.206 for Windows Phone. Walmart Mobile is a free and useful Lifestyle app: Welcome to Walmart Mobile, were a 3rd party app, so we don't own anything with Walmart we just wanted to make a Walmart app for Windows ... You can now download the offline APPX file to install & try it.
Download Locations for Walmart Mobile 220.127.116.11 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 Walmart Mobile APPX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.