Look for "J2ME Runner" or "Java Emulator .vxp" on forums like 4PDA (requires translation) or dedicated feature phone communities.
We live in a world of 5G streaming and cloud computing, yet here you are, digging through the digital sediment, looking for a compiler that can speak the dead language of 2010. You are trying to run Racing Fever or Bounce Tales on a screen that was never meant to host them. convert jar to vxp link
Obtain your SIM 1's IMSI number (this is different from your IMEI). Look for "J2ME Runner" or "Java Emulator