small screen of java games in 6600 :-((

hi

i have downloaded some java games thru emobilez.com ...but on my 6600 these games are showing in very small screen ........

are these java games (tomb raider 1, pacman, scooby doo etc)
not for 6600 screen ?

plz help and tell any site to downlaod 6600 games ...and applns

TIA
Sumit