Sword & Poker Sword & Poker 2 Phoenix Wright: Ace Attorney Bejeweled 2 Blokus Ramp Champ Doodle God Edge Stair Dismount Skee-Ball Quest Texas Hold 'Em rRootage Mega Jump I've only put the ones that are easy to play with one hand, because that is pretty much the only reason I like my games in portrait mode.
1. Zen Bound (Great graphics and innovative gameplay.) 2. Eliss (Exciting and challenging touch-screen madness, good reviews.) 3. Gloop (Fun artistic physics toy.) 4. Edge (A crisp, well polished "geometric" 3d platforming game. 5. Flick Fishing & Skee-Ball (Both physics- based simulations from Freeverse.) And the best game ever, portrait or no portrait: Enviro-Bear 2010!