You are downloading the 500 Tiles XAP file v18.104.22.168 for Windows Phone. 500 Tiles is a free and useful Lifestyle app: 500 Tiles is an unofficial application, which allows you to browse photos from 500px.Photos are presented on the wall of tiles. By tapping on ... You can now download the offline XAP file to install & try it.
Download Locations for 500 Tiles 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline 500 Tiles XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.