To the uninitiated, the phrase looks like technical jargon. However, it is a specific descriptor of a bygone era.
We are currently in a retro renaissance. The "Java Games Pack 240x320" is becoming a collectible digital artifact. Museums of obsolete media are preserving these JAR files because they represent a specific moment in history: the transition between pixel art (Game Boy) and 3D consoles (PSP).
games. If a site asks you to install an "exe" or "apk" just to get the pack, it’s likely a scam. Which specific game are you looking for?