One of our member (french) has made a little tutorial doing this :
http://www.liberkey.com/fr/forums/topic ... ibreofficeTo be simple, you just have to install (yes a real installation) the help .msi into folder \LiberKey\Apps\LibreOffice\App\LibreOffice
Unfortunately, it is not integrated into our packaging and you will have to update it each time we/you update LibreOffice in your Liberkey.