Ensure the source game or application is functional and matches the screen resolution of your target phone.
If you cannot find a working converter, consider:
If your converted .vxp fails to launch properly, try running through this quick checklist:
These are executable files designed specifically for the MRE platform developed by MediaTek. This platform is common in ultra-affordable feature phones and smartwatches. Unlike Java, MRE apps run closer to the native hardware, using C/C++ compiled code. Convert .jar To .vxp UPD
Search for "Online JAR to VXP Converter" (e.g., FileProInfo as suggested by some users, or dedicated niche sites). Upload: Upload your .jar file. Process: Allow the site to convert the file. Download: Download the resulting .vxp file. Method 3: Using MRE SDK (For Advanced Users)
: You will need Microsoft Visual Studio 2008 and the MRE SDK 3.0 . The Process :
One of the easiest ways to convert .jar to .vxp UPD is by using a conversion tool. There are several tools available online, both free and paid, that can perform this conversion. Some popular options include: Ensure the source game or application is functional
: Since .jar files often have fixed resolutions (like 128x160 or 240x320), the converter features a "Scaling Engine" that stretches or centers the game UI to fit the specific .vxp device's screen without breaking the touch or keypad input.
# If UPD update package requested if create_upd: self.create_upd_package(output_path, package_id)
Create a new application project inside the MediaTek MRE SDK. Unlike Java, MRE apps run closer to the
: Not all Java APIs are supported by MRE. Complex JAR files with heavy dependencies may fail to run even after conversion. Resolution
While CloudConvert is excellent for archive formats (like JAR to ZIP), its support for specific mobile executable formats like VXP is often limited and may require manual re-packaging. Method 3: Using the MRE SDK (Advanced)
Keep these assets; you will reuse them directly in your MRE project. Step 2: Decompile the Java Bytecode Open the .jar file inside your chosen Java Decompiler.
python jar_to_vxp.py mygame.jar -u