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Rockstar11
Technomancer
It's very easy to change the resolution of the mobile Java Games in PC.
* You need to know the original resolution of the game. This is usually found on the author’s website.
* you must know the resolution of the target screen for the phone.
1. You should be using WinRAR for this. You can download an evaluation copy of WinRAR from *www.win-rar.com.
2. Using WinRAR, open the Java file(right click on jar file & select open with win rar). The Java file has a file extension .jar.
3. There should be a folder called META-INF. Open that folder.
4. Inside that folder, there is a file called MANIFEST.MF. Drag and drop the MANIFEST.MF to your Desktop
5. Open MANIFEST.MF using notepad
6. At the end of the file, add the following two lines to the MANIFEST.MF file.
* Nokia-MIDlet-Original-Display-Size: xxx,xxx
* Nokia-MIDlet-Target-Display-Size: yyy,yyy
7. Now save the file. The drag the file back to the .jar file folder META-INF using WinRAR.
8. Install the JAR file to your phone.
Quote:
Note:
The xxx,xxx and yyy,yyy are the screen resolution. 'Original' size is the native resolution of the game, and 'target' size is the resolution of your phone. Change these numbers as appropriate... when ur done, drag it back into the "META-INF" folder. overwrite the previous file.
Quote:
Example:
Nokia-MIDlet-Original-Display-Size: 176,208
Nokia-MIDlet-Target-Display-Size: 352,416
The above shows that the original game resolution is 176x208 and the new target resolution is 352x416 i.e. for N80.
* You need to know the original resolution of the game. This is usually found on the author’s website.
* you must know the resolution of the target screen for the phone.
1. You should be using WinRAR for this. You can download an evaluation copy of WinRAR from *www.win-rar.com.
2. Using WinRAR, open the Java file(right click on jar file & select open with win rar). The Java file has a file extension .jar.
3. There should be a folder called META-INF. Open that folder.
4. Inside that folder, there is a file called MANIFEST.MF. Drag and drop the MANIFEST.MF to your Desktop
5. Open MANIFEST.MF using notepad
6. At the end of the file, add the following two lines to the MANIFEST.MF file.
* Nokia-MIDlet-Original-Display-Size: xxx,xxx
* Nokia-MIDlet-Target-Display-Size: yyy,yyy
7. Now save the file. The drag the file back to the .jar file folder META-INF using WinRAR.
8. Install the JAR file to your phone.
Quote:
Note:
The xxx,xxx and yyy,yyy are the screen resolution. 'Original' size is the native resolution of the game, and 'target' size is the resolution of your phone. Change these numbers as appropriate... when ur done, drag it back into the "META-INF" folder. overwrite the previous file.
Quote:
Example:
Nokia-MIDlet-Original-Display-Size: 176,208
Nokia-MIDlet-Target-Display-Size: 352,416
The above shows that the original game resolution is 176x208 and the new target resolution is 352x416 i.e. for N80.
infra_red_dude
Wire muncher!
You are not changing the resolution; you are simply interpolating the size to fill up the screen 
infra_red_dude
Wire muncher!
^^^ Only if the grafix are vector based.
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