Modify the resolution of mobile phone games purely on the mobile end - Modify the resolution of jar games.
1. Required software: x-plore
Steps:
1. Run x-plore, menu -> tools -> settings -> text encoding, select UTF-8.
2. Prepare a game you want to modify. Use x-manager to create a new folder on the card and unzip the game into that folder. Open the newly created folder and you will see many game files. Among them, there is a META-INF folder. Open it, and there is generally a manifest.mf file inside. After finding it, move the cursor to the file, press menu -> file -> edit, and add two lines of code at the bottom of the content: Nokia-MIDlet-Original-Display-Size: 240,320 and Nokia-MIDlet-Target-Display-Size: 320,640. The first line's 240,320 refers to the original resolution of the game itself. Writing 320,640 in the second line means changing 240,320 proportionally to 176,208. The first line represents the original resolution of the game (e.g., 1314 Taobao shopping cashback [http://www.taobis.com]), while the second line is the resolution you want to modify to. Save after modification.
3. Press menu -> zip -> copy to zip, pack the newly created folder. The most comprehensive Crown shop online! We help you find the best sellers and products on Taobao. Please remember our permanent domain name www.taoiei.com. After packing, change the suffix name to .jar. Note that packing cannot be done in Chinese. Important installation tips [jar file invalid]: The solution method is that there should be no 'Chinese characters' in the manifest.mf. Therefore, use English letters to replace all 'Chinese characters' in the manifest.mf, so that you can perfectly modify, install, and apply. Nokia[http://www.taobis.com]-MIDlet-Original-Display-Size: Your phone's resolution; Nokia-MIDlet-Target-Display-Size: The resolution you want to modify to. X-manager needs high permissions.
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(Note: Some parts of the original text seem promotional or unrelated to the technical steps. They have been included but may need further clarification.)