def create_vxp_package(self, jar_path, output_path, create_upd=False): """Create VXP package from JAR file"""
def browse_jar(self): filename = filedialog.askopenfilename( title="Select JAR file", filetypes=[("JAR files", "*.jar"), ("All files", "*.*")] ) if filename: self.jar_path.set(filename)
for %%f in ("%INPUT_DIR%*.jar") do ( echo Converting %%~nxf... python jar_to_vxp.py "%%f" -o "%OUTPUT_DIR%%%~nf.vxp" )
If you prefer to play on your computer, these desktop J2ME emulators work well: Convert .jar To .vxp UPD
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def increment_version(self, version): """Increment version number for update""" parts = version.split('.') if parts: parts[-1] = str(int(parts[-1]) + 1) return '.'.join(parts)
Select the output folder and specifically choose the VXP conversion option . Thanks to emulators like J2ME Loader and Jre4Android,
Last Updated: April 12, 2026
The classic J2ME game library is too precious to lose. Thanks to emulators like J2ME Loader and Jre4Android, you can keep playing those vintage games on modern devices without any conversion at all. Simply load your .jar file and enjoy.
In the application settings configuration screen, input the exact Midlet-Name and Vendor details you copied from the manifest file. Step 3: Configure Resolution and Memory Step 3: Configure Resolution and Memory This will
This will extract the contents of the .jar file to a directory.
Once finished, download the newly generated .vxp file to your device. Tips for a Successful Conversion