BattleScribe include 4 applications. 3 of them are used when designing new games and armies, Catalogue, Game system and Indexer.
To simply use the files I made, launch the BattleScribe roster. Click new and chose which army to select from. :-) If on the computer. Make sure the Warzone.gst file is in the Gamesystem folder and Imperial.cat and/or Capitol.cat is in the catalogue folder.
On the phone. Check my first post