Convert .jar To .vxp [top] ✦ Direct

Have a successful conversion story? Share your settings in the comments below.

To help narrow down the best solution for your project, let me know: Do you have access to the of the Java file? What is the exact brand and model of the target phone? What screen resolution does your target device use? Share public link

| Issue | Why it happens | Fix | | :--- | :--- | :--- | | | The VXP header is malformed. | Re-pack using MTK Res Maker v5.2. | | White screen then crash | The Java code uses an API (e.g., 3D transforms) not supported by the VXP runtime. | Downgrade the game to MIDP 2.0, CLDC 1.1. | | Keys don't work | VXP remaps keycodes (SEND, END keys are often blocked by the firmware). | Use KeyMapper inside the VXP config tool to map Fire 1 to Select . | Convert .jar To .vxp

: Even if a file converts, it may not run if the screen resolution of the app doesn't match your phone.

Input the main class paths extracted from the Java manifest. Have a successful conversion story

I can provide more targeted advice based on your hardware constraints! Share public link

A more modern, community-driven alternative is to use the project on GitHub. This approach aims to be more straightforward and cross-platform, working on both Windows and Linux systems. What is the exact brand and model of the target phone

Map the Java ME lifecycle methods ( startApp , pauseApp , destroyApp ) to the corresponding MRE platform events ( vm_main ).