Java phones had wildly different resolutions (128x160, 176x220, 240x320). An "upd" often meant the game now supported your specific Nokia or Motorola model.
For those feeling nostalgic or researchers documenting retro mobile culture, here is exactly how the process worked circa 2013-2015: iron man 3 game by wapdam upd
A 3D "endless flyer" similar to Temple Run , but set in the air. One review noted that while the smartphone version
Unlike traditional console releases that relied on open-world exploration, Gameloft opted for a high-speed, endless flight mechanic tailored specifically for smartphones. a huge variety of fan-service armors
The Java version of Iron Man 3 was a experience. Unlike the endless, procedurally generated levels of its smartphone counterpart, this version featured discrete, story-driven levels with varied objectives like coin collection, speed runs, and skill-based trials. One review noted that while the smartphone version was a "dumb runner," the Java game was far more varied, offering over 3-4 hours of gameplay and even first-person segments, making it a surprisingly rich experience for a mobile game of its time.
: Stunning 3D graphics for its era, a huge variety of fan-service armors, and satisfying flight mechanics.