Requirements : to do this you will need winzip mobile,explore,and game in *.jar format.
A)Change resolution:
1.Rename *.jar to be *.zip
2.Open *.zip use winzip
3.Extract file manifest.mf to your memory card
4.In memory card ,you will find a folder called "META-INF",open it
5.Edit use explore,file manifest.mf
At the end of the text add this:
Nokia-MIDlet-Original-Display-Size: 240,320
Nokia-MIDlet-Target-Display-Size: 176,208
You can change original and target display size as needed.
Press back and save change.exit explore.
6.Open winzip,then open *.zip.
Press option, and select"add archive",then find folder META-INF in your memory card.Press option again, and select add archive.
It automatic replace manifest.mf.
Press back and exit winzip.
7.Now just rename *.zip tobe *.jar, and install game in phone with new resolution.
Done ! it works for any resolution jar game ! B)Change icon :
1.Rename *.jar tobe *.zip use winzip, you will find "icon.png",just add archive with your image(rename before, to be icon.png).
if you not have*.png format, you can use *.jpg, but you must rename text"icon.png" in file manifest.mf to be "icon.jpg."
Do same use winzip and explore.
C)Change video.
Sometimes, in java games any video with *.3gp format.Just add archive it
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