You are downloading the Ultimate Downloader XAP file v0.6.3.0 for Windows Phone. Ultimate Downloader is a free and useful Productivity app: A quick and dirty style downloader for Windows Phone. Can download and play all supported Files on Windows Phone. (Only Video and Music at the ... You can now download the offline XAP file to install & try it.
Download Locations for Ultimate Downloader 0.6.3.0 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Ultimate Downloader XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.