theres lots of good quality games out there, heres what i have on my phone now, all of these are full screen wvga:
Free Games:
Cavemen (Lemmings)
Dragonball (Zuma clone)
Pocket Uno
Tiki Towers
Xtrakt
Paid Games:
Asphalt 4 HD
Assasins Creed
Bejeweled 2
Ferrari GT
GT Racing Motor Academy
Texas Hold'em
Jumba
Monopoly
NBA 2010
NFS Undercover
Par 72 Gold
SPB Brain Evolution 2
SPB Quads
Zenonia
also check out this post
Full Screen WVGA Games