You are downloading the Sparrow Reader XAP file v126.96.36.199 for Windows Phone. Sparrow Reader is a free and useful Productivity app: Sparrow Reader is a free app for viewing and interacting with PDF and XPS files on your Windows Phone 8 device. You can also share them by ... You can now download the offline XAP file to install & try it.
Download Locations for Sparrow Reader 188.8.131.52 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 Sparrow Reader XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.