Designed specifically for non-touch, portrait screens, the UI is utilitarian: Vertical Scrolling:

Transcode web pages into a format optimized for the specific hardware and screen size of the device. Boost Speed: Provide browsing speeds up to three times faster than native competitors. Key Features for 240x320 Devices

Since official Nokia stores are closed, you can find the necessary files on legacy mobile archives:

He navigated to his 'Applications' folder. There, nestled between 'Snake III' and a cracked version of 'Assassin's Creed', sat the orange icon: .

Optimizing the Mobile Web: A Technical Analysis of the Nokia Xpress Browser on 240x320 Feature Phones