A community-driven "paper" or discussion on Reddit's J2MEgaming community highlights that the 320x240 version (specifically version 1.1.11) is considered "lost media" by some. It lacks standard features like a credits tab because the screen wasn't tall enough to fit the UI.
The 320x240 version of Diamond Rush was specifically designed for older mobile devices with smaller screens. Despite the limitations of these early mobile devices, the game's developers managed to create an experience that was both visually appealing and highly addictive. The game's graphics were optimized for the 320x240 resolution, with bright, sparkling gems and an intuitive interface that made it easy for players to navigate. diamond rush 320x240