i can't run any java apps at my 6310i ???

halloo mates
i can't run any java app or game to my 6310i cellular i tried many many apps & games & it's less than 34kb if any one will say u must run appz less than 34kb so
it gives me error msg (invalid file)
i don't know where's the error in the jad file but i edited the url file target ?? or there's some thing else i must edit ??
or may be the jar file plz mates i need urgent reply
thanx alot .....
i'll attach one file for ex .. thanx u may try it & tell me how to edit it well to make it work ......
by the way i use (MobiMB Mobile Media Browser) to install them & i think it's good .... any suggestions......