Look for files named Java.vxp or J2ME_Runner.vxp on reputable feature-phone forums or archives.
MRE phones and Java phones don't always share the same button codes. You might find that the "OK" button or "Soft keys" don't respond as expected. jar to vxp converter
By installing a VXP-based Java runner on your phone, you create a virtual environment. You can then move your .jar files to your SD card, open the emulator, and run the games through it. This is the most reliable way to play Java games on an MRE device. 2. Seeking "Official" Ported Versions Look for files named Java