Minus the Japan-only Lord of Vermilion II arcade game and Japan-only cell phone games like Kingdom Hearts: Coded, the list of Square Enix console games appearing at TGS are:
Final Fantasy XI: The Vana’diel Collection 2: Trailer
Final Fantasy: Crystal Chronicles The Crystal Bearers: Trailer, Playable Demo
Kingdom Hearts: Birth by Sleep: Trailer, Playable Demo
SaGa 2: Hihou Densetsu aka Final Fantasy Legend II: Trailer, Playable Demo
Final Fantasy IV: The After Years: Trailer
Front Mission Evolved: Trailer, Playable Demo
Dissidia Final Fantasy Universal Tuning: Trailer, Playable Demo
Final Fantasy XIII: Trailer, Playable Demo
Tokyo Game Show 2009 [Square Enix]