Search for JAR2VXP_v1.2.rar or BREW_App_Generator.exe on old mobile forums like Forum Nokia (archived) or Russian BREW community (4pda.to).
Before looking for a converter, it’s important to understand why these formats aren't naturally compatible: jar to vxp converter
Future research directions include:
The Virtual eXecutable (VXP) file format, on the other hand, is used in various embedded systems and mobile devices, such as smart cards, set-top boxes, and mobile phones. VXP files contain executable code, data, and resources that can be executed on these devices. Search for JAR2VXP_v1
What "converters" (like the legendary but defunct JarToVXP tool) actually did was act as or emulators . They would bundle a small, pre-coded BREW interpreter along with the JAR file. When you ran the resulting VXP, the interpreter would launch inside the BREW environment and run the Java code in real-time. What "converters" (like the legendary but defunct JarToVXP