You are downloading the Mozilla Firefox Tips XAP file v188.8.131.52 for Windows Phone. Mozilla Firefox Tips is a free and useful Books & Reference app: Here are some simple and brief guides to get you setup and going with Firefox and all of the great things that it has to ... You can now download the offline XAP file to install & try it.
Download Locations for Mozilla Firefox Tips 184.108.40.206 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 Mozilla Firefox Tips XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.