QUOTE (ketrangtay @ Jul 30 2009, 05:57 AM)

yes, i did exactly what you saying i open with winrar there is lots of file inside and folder called ''META-NF'' i rename META-NF file to .jar file is that right? then send it to phone do i have to send all a.class files and image with the META-NF folder? how come when i change .jar and run game there's error said
'' the archive file(.jar) for MIDlet appears to be corrupt''.
Nope you shouldnt change those file extensions inside JAR file.
That FAQ says about the downloaded JAR file and not about the files inside the JAR.
QUOTE (FAQ- How to Install Games)
Make sure the game is in a JAR format.
If not rename the .zip file to .jar, (do not extract, or rename the class files inside, rename the actual zip file) and then send to your mobile to install.
You should copy the downloaded file to your phone without changing anything.
The FAQ says if the extension is not JAR and if it is ZIP format you should change the extension.
If you are using WinRAR it will be associated with JAR file extension, therefore dont think it as a compressed (RAR) file.