Most Gingerbread games were lightweight. A 600MHz processor with 256MB RAM could still run Doodle Jump , Temple Run (original), or Plants vs. Zombies smoothly.
During the peak of Android 2.3.3, several titles became household names. Because Gingerbread was the dominant OS for years, many early hits were optimized specifically for its hardware constraints: Angry Birds Android 2.3.3 Games