You are downloading the Dynamics AX XAP file v126.96.36.199 for Windows Phone. Dynamics AX is a free and useful Business app: For use with Microsoft Dynamics AX 2012, this application enables you to capture your expense transactions and receipt information. This application ... You can now download the offline XAP file to install & try it.
Download Locations for Dynamics AX 188.8.131.52 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 Dynamics AX XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.