You can't port Quake to phones, but Gameboy had much worse screen and there were games. Unlike Gameboy, phones have no buttons, but lots of genres don't need fa

You can't port Quake to phones, but Gameboy had much worse screen and there were games. Unlike Gameboy, phones have no buttons, but lots of genres don't need fast action and precise pointing. Power consumption might be more serious issue, but some games are okay to redraw screen only on user actions. So it's mostly cultural and market issues.