You are downloading the SignLanguage XAP file v188.8.131.52 for Windows Phone. SignLanguage is a free and useful Education app: Here people can learn to sign and become more familiar with how deaf people and also those who love signing how the y communicate.It's also have fun ... You can now download the offline XAP file to install & try it.
Download Locations for SignLanguage 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 SignLanguage XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.