You are downloading the BUSstok XAP file v18.104.22.168 for Windows Phone. BUSstok is a free and useful Travel app: BUSstok IS NOT an official application of Bialostocka Komunikacja Miejska. BUSstok is an application that uses data from Bialostocka ... You can now download the offline XAP file to install & try it.
Download Locations for BUSstok 22.214.171.124 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 BUSstok XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.