You are downloading the TrackBook XAP file v188.8.131.52 for Windows Phone. TrackBook is a free and useful Social app: This app allows to save your activities whenever the GPS is turned on and creates your digital book and play those activities in GPS portal ... You can now download the offline XAP file to install & try it.
Download Locations for TrackBook 184.108.40.206 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 TrackBook XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.