Avoid generic "free java games" sites. They repackage the 240x320 version.

if (key == KeyEvent.VK_RIGHT) rightPressed = false;

: Widely cited as one of the best-performing games at this resolution. It used the wider 360px height (in landscape) for better track visibility and smooth, fast-paced 2D-scrolling gameplay. Strategic & Action Picks Townsmen 6

Here are the standout titles locked to that aspect ratio:

The N-Gage 2.0 platform (Nokia’s gaming service) heavily utilized the 640x360 resolution. While N-Gage eventually failed, its exclusive titles—such as System Rush: Evolution and Hooked On: Creatures of the Deep —were showcases for the 640x360 screen, running at smooth framerates with advanced lighting effects.

Other notable devices include: