Because the screens on phones were small and varied in size, games were designed for specific resolutions. The resolution became the industry standard for premium handsets like the:
files—offered a lifeline of entertainment for a generation of feature phone users. The Standard of an Era
A high-quality 240x320 pack usually includes these "must-play" titles: Huge Java Mobile Game Dump (67000 files) - Internet Archive
Do transfer directly to a vintage phone. Instead:
The purest experience comes from matching the game to the screen. was the "sweet spot." It offered enough pixels for detailed sprites (think Assassin’s Creed: Altair’s Chronicles or The Sims 2 Mobile ) while remaining lightweight enough to run smoothly on processors measured in mere dozens of megahertz.
These archives typically bundle hundreds of .jar and .jad files, spanning the best of early 2000s mobile innovation: Tetris