Set up the MRE SDK on a compatible Windows environment.
Below is an updated guide on the current methods available for this conversion process. Understanding the Formats Convert .jar To .vxp UPD
Re-compile the application resources specifically for the MRE platform to ensure all hardware calls (screen resolution, button mapping) are correct. Critical Step: Signing the VXP File JAR File Overview Set up the MRE SDK on a compatible Windows environment
A platform-independent package for Java class files and resources, used by J2ME (Java 2 Micro Edition) platforms found on older feature phones. Convert .jar To .vxp UPD
Open the software and load the .jar file you wish to convert.
Websites like FileProInfo allow you to upload a JAR or JAD file and convert it to VXP.