How to change Resolution of JAVA JAR Games and Apps

Java Games are really fun to play if you have a JAVA phone. The main problem of  java games is the Resolution problem. Sometimes it will be extremely difficult to play some games on some mobiles. Many of my valuable users requested to solve this problem. So, here Hacking Palace is now with a simple trick to change resolution o java games.

Requirements

• A PC
• Compressing softwares like Winrar

 Please note one thing that even though I have tested this on various devices, I cannot guarantee that it will work for you. It will work best on newer phone models. Also the width and height pixels of the original app and modified app must be same. Read below carefully.
For eg:
If a game having 176x208 resolution, it can be modded to 352x416, 264x312 or similar
the ratio of pixels of width and height must be same.
ie, 352/176=2 and 416/208=2 like that.
Just try to match your resolution
for eg: If your phone having 264x330 resolution, you cant change resolution of 176*208 to 264*330
instead, you can change it to 264x312. The remaining 18px height will be blank. That's all!
I think that is clear. Now proceed to step. It is very simple.
1) First, Open the required JAR app from Winrar or similar software

2) Open the folder META-INF and Open manifest.mf from notepad

3) Add these codes to the end of the file

Nokia-MIDlet-Original-Display-Size: 176,208

Nokia-MIDlet-Target-Display-Size: 352,416

 The green one indicates the original sire of the app and red one indicates the resolution which you want to change. Change green and red values according to your app

Now save the changes and send it to your phone. Enjoy...