A 320x240 (Landscape QVGA) screen is too small for the complex rendering engine that Chrome uses today. Best Alternatives for 320x240 Java Phones

If you want a fast, "modern" browser for your Java mobile device, these options are the closest you can get to Chrome's speed and reliability:

UC Browser is another powerful alternative that offers a multi-tab experience similar to Chrome. It supports 320x240 resolutions and includes a download manager and night mode.