I played on a few NGage games at ECTS. Not as bad as I was expecting, but not great. The tiny, portrait screen, although very clear, just doesn't work too well for games, and there's just too many buttons to find the ones you need.... (yes, there's 2 raised buttons, but most games need >2)
I don't think anything runs at 60fps on it. Not even 2D games. (I heard somewhere that the screen only refreshes at 30hz?)
Tony Hawk Pro Skater:
Very decent port of PSX version, like the PSX version but a bit slower. Was playing the warehouse level, that looked just like it does in the first PSX THPS game. Very nice, really. Shame about the tiny screen and poor controls (trying to find the right buttons in a cluster of 9)
Tomb Raider:
Possibly the best 3D engine on it. Didn't see much of it, but it seemed to render quite cleanly and move at a good speed.
Red Faction:
Competent FPS. Reasonable speed. Didn't really impress, but I'm bored of FPSs....
Super Monkey Ball:
Disappointing. They've now removed all the texture mapping and it's still no faster than the GBA version (
http://www.bluescrn.net/projects.php?page=monkeyball).... despite that much faster CPU
Sonic N:
Far too small, and not smooth. Screen aspect ratio is completely wrong for a Sonic game. And 2D Sonic games need to run at 60fps...