Before we dive into the files, you might be asking why. Jelly Bean 4.2.2 was the peak of the “Project Butter” era—it was snappy, lightweight, and didn’t require 6GB of RAM to run the notification shade. For low-spec devices or single-purpose devices (MP3 players, e-readers, dashcams), 4.2.2 is still a viable option.
Even back in 2012/2013, users had choices regarding what to install: gapps for android 4.2.2