message keys to unknown language translation catalogue (6 entries)

key: txt_applib_dblist_downloaded
target: Downloads

key: txt_applib_dblist_games
target: Games

key: txt_applib_dblist_office
target: Office

key: txt_applib_subtitle_downloads
target: Downloads

key: txt_applib_subtitle_games
target: Games

key: txt_applib_subtitle_office
target: Office
