You are downloading the TaxiPlus XAP file v188.8.131.52 for Windows Phone. TaxiPlus is a free and useful Travel app: Order taxi by TaxiPlus Windows Phone ... You can now download the offline XAP file to install & try it.
Download Locations for TaxiPlus 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 TaxiPlus XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.