Just a little fun before TGS and the western DS announcement make me update the lists... both Sony & Nintendo have issued 2 software lists so far for their new handhelds (at E3 and then one each in Japan over the summer). Here's how the big guys break down for confirmed games so far...
ACTIVISION
Nintendo DS
-Spider-Man 2
-Tony Hawk DS*
-X-Men Legends*
PlayStation Portable
-Activision Anthology*
-Spider-Man 2
-Tony Hawk's Underground 2
ATARI
Nintendo DS
-Atari Classics
-Dragon Ball Z
PlayStation Portable
-Transformers*
BANDAI
Nintendo DS
-Meteos
-Mobile Suit Gundam Seed
-One Piece
PlayStation Portable
-Gaghary
-Mobile Suit Gundam
CAPCOM
Nintendo DS
-Gyakuten Saiban series
-Megaman Battle Network series
-Viewtiful Joe series
PlayStation Portable
-DarkStalkers Chronicle
-Devil May Cry series
-Viewtiful Joe series
ELECTRONIC ARTS
Nintendo DS
-Goldeneye
-Madden NFL 2005
-Need for Speed Underground
-Tiger Woods PGA Tour 2005
-Urbz: Sims in the City
PlayStation Portable
-BurnOut*
-NBA Street
-NFL Street*
-Need for Speed Underground
-Tiger Woods PGA Tour
KONAMI
Nintendo DS
-Boktai
-Castlevania
-Dragon Booster
-Frogger 2005
-Ganbare Goemon
-Powerful Pro Baseball series
-Survival Kids
-Yu-Gi-Oh! Nightmare Troubador
-Vandal Hearts
-WiNX
-World Soccer Winning Eleven series
PlayStation Portable
-Frogger 2005
-Mahjong Kakutou
-Meikyu Tansaku Gata Monster Shooting
-Metal Gear Ac!d
-Powerful Pro Baseball series
-World Soccer Winning Eleven series
-Ys: The Ark of Napishtam
NAMCO
Nintendo DS
-New Mr Driller
-New RPG
-Pac n' Roll
-Pac-Pix
PlayStation Portable
-New Ridge Racer
-Shin Mojibittan
-Tales of Eternia
SEGA SAMMY
Nintendo DS
-Chu Chu Rocket!*
-Jissen Pachislo Hisshopou! Fist of the North Star
-Phantasy Star Online DS*
-Project Rub
-Puyo Pop Fever
-Sonic DS
PlayStation Portable
-Project S
-Puyo Pop Fever
SQUARE ENIX
Nintendo DS
-Egg Monster Hero
-New Dragon Quest Monsters
-New Dragon Quest Slime Morimori
-New Final Fantasy: Crystal Chronicles
-New RPG (directed by Matsuno)*
-New Seiken Densetsu
PlayStation Portable
-Final Fantasy VII: Advent Children (UMD Video)
TAKE 2
Nintendo DS
-tba
PlayStation Portable
-New Game 1 (Leeds Studio)*
-New Game 2 (Leeds Studio)*
THQ
Nintendo DS
-New Game (Helix Studio)*
-SpongeBob SquarePants
PlayStation Portable
-tba
UBI SOFT
Nintendo DS
-Asphalt GT
-New Movie License
-Rayman DS
PlayStation Portable
-New Game (UbiSoft Montreal)*
...and of course first party lineups...
NINTENDO
Nintendo DS
-Animal Crossing
-Legend of Zelda: Four Swords DS*
-Mario Kart DS
-Metroid Prime: Hunters
-New puzzle game*
-New RPG (Brownie Brown)*
-New Super Mario Bros
-Nintendogs
-Picto-Chat
-Super Mario 64x4
-Wario Ware, Inc. DS
SONY COMPUTER ENTERTAINMENT
PlayStation Portable
-Ape Escape
-Ape Escape: Monkey Games
-ATV Offroad Fury
-Axel Impact International
-Death Jr
-Derby
-Dokodemo Issyo
-Fighting Spirits
-Formula One 04
-Ghost in the Shell: Stand Alone Complex
-Gran Turismo 4: Mobile
-Hard Corps
-Heaven Key Earth Gate
-Hot Shots Golf
-MediEvil
-NBA Shootout 2005
-NHL Face-Off 2005
-Popolocrois Story
-Syphon Filter: Logan's Shadow
-Talkman
-Twisted Metal: World Tour
-Wipeout Pure
-World Tour Soccer 2005
-WRC
*not yet officially announced
...overall Nintendo looks to have the eastern lead while Sony has the west. Of course it could all change with TGS and the August 10 DS announcement, we'll have to see.
Oh, and I didn't realize how stacked Sony's own PSP lineup is... they're really throwing everything they can at it!
ACTIVISION
Nintendo DS
-Spider-Man 2
-Tony Hawk DS*
-X-Men Legends*
PlayStation Portable
-Activision Anthology*
-Spider-Man 2
-Tony Hawk's Underground 2
ATARI
Nintendo DS
-Atari Classics
-Dragon Ball Z
PlayStation Portable
-Transformers*
BANDAI
Nintendo DS
-Meteos
-Mobile Suit Gundam Seed
-One Piece
PlayStation Portable
-Gaghary
-Mobile Suit Gundam
CAPCOM
Nintendo DS
-Gyakuten Saiban series
-Megaman Battle Network series
-Viewtiful Joe series
PlayStation Portable
-DarkStalkers Chronicle
-Devil May Cry series
-Viewtiful Joe series
ELECTRONIC ARTS
Nintendo DS
-Goldeneye
-Madden NFL 2005
-Need for Speed Underground
-Tiger Woods PGA Tour 2005
-Urbz: Sims in the City
PlayStation Portable
-BurnOut*
-NBA Street
-NFL Street*
-Need for Speed Underground
-Tiger Woods PGA Tour
KONAMI
Nintendo DS
-Boktai
-Castlevania
-Dragon Booster
-Frogger 2005
-Ganbare Goemon
-Powerful Pro Baseball series
-Survival Kids
-Yu-Gi-Oh! Nightmare Troubador
-Vandal Hearts
-WiNX
-World Soccer Winning Eleven series
PlayStation Portable
-Frogger 2005
-Mahjong Kakutou
-Meikyu Tansaku Gata Monster Shooting
-Metal Gear Ac!d
-Powerful Pro Baseball series
-World Soccer Winning Eleven series
-Ys: The Ark of Napishtam
NAMCO
Nintendo DS
-New Mr Driller
-New RPG
-Pac n' Roll
-Pac-Pix
PlayStation Portable
-New Ridge Racer
-Shin Mojibittan
-Tales of Eternia
SEGA SAMMY
Nintendo DS
-Chu Chu Rocket!*
-Jissen Pachislo Hisshopou! Fist of the North Star
-Phantasy Star Online DS*
-Project Rub
-Puyo Pop Fever
-Sonic DS
PlayStation Portable
-Project S
-Puyo Pop Fever
SQUARE ENIX
Nintendo DS
-Egg Monster Hero
-New Dragon Quest Monsters
-New Dragon Quest Slime Morimori
-New Final Fantasy: Crystal Chronicles
-New RPG (directed by Matsuno)*
-New Seiken Densetsu
PlayStation Portable
-Final Fantasy VII: Advent Children (UMD Video)
TAKE 2
Nintendo DS
-tba
PlayStation Portable
-New Game 1 (Leeds Studio)*
-New Game 2 (Leeds Studio)*
THQ
Nintendo DS
-New Game (Helix Studio)*
-SpongeBob SquarePants
PlayStation Portable
-tba
UBI SOFT
Nintendo DS
-Asphalt GT
-New Movie License
-Rayman DS
PlayStation Portable
-New Game (UbiSoft Montreal)*
...and of course first party lineups...
NINTENDO
Nintendo DS
-Animal Crossing
-Legend of Zelda: Four Swords DS*
-Mario Kart DS
-Metroid Prime: Hunters
-New puzzle game*
-New RPG (Brownie Brown)*
-New Super Mario Bros
-Nintendogs
-Picto-Chat
-Super Mario 64x4
-Wario Ware, Inc. DS
SONY COMPUTER ENTERTAINMENT
PlayStation Portable
-Ape Escape
-Ape Escape: Monkey Games
-ATV Offroad Fury
-Axel Impact International
-Death Jr
-Derby
-Dokodemo Issyo
-Fighting Spirits
-Formula One 04
-Ghost in the Shell: Stand Alone Complex
-Gran Turismo 4: Mobile
-Hard Corps
-Heaven Key Earth Gate
-Hot Shots Golf
-MediEvil
-NBA Shootout 2005
-NHL Face-Off 2005
-Popolocrois Story
-Syphon Filter: Logan's Shadow
-Talkman
-Twisted Metal: World Tour
-Wipeout Pure
-World Tour Soccer 2005
-WRC
*not yet officially announced
...overall Nintendo looks to have the eastern lead while Sony has the west. Of course it could all change with TGS and the August 10 DS announcement, we'll have to see.
Oh, and I didn't realize how stacked Sony's own PSP lineup is... they're really throwing everything they can at it!