You are downloading the Walk to Math XAP file v22.214.171.124 for Windows Phone. Walk to Math is a free and useful Education app: A little game to practice math before going back to school. Help the player walk the road while doing ... You can now download the offline XAP file to install & try it.
Download Locations for Walk to Math 126.96.36.199 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Walk to Math XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.