Free Download FB2Reader 2.0.0.0 XAP for Windows Phone
Free Books & Reference App by Boguslavovna

You are downloading the FB2Reader XAP file v2.0.0.0 for Windows Phone. FB2Reader is a free and useful Books & Reference app: Nice and functional reader for fb2 ... You can now download the offline XAP file to install & try it.
Download Locations for FB2Reader 2.0.0.0 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline FB2Reader XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.