Android KitKat

Android KitKat is the fourth major release of Android. KitKat focused primarily on optimizing the operating system for improved performance on entry-level devices.

Android KitKat

Version of the Android operating system
Android 4.4.2 KitKat running on a Nexus 5
Developer	Google
Released to manufacturing	October 31, 2013; 11 years ago (2013-10-31)
Latest release	4.4.4_r2.0.1 (KTU84Q)[1] / July 7, 2014; 10 years ago (2014-07-07)
Kernel type	Monolithic Kernel (Linux Kernel)
Preceded by	Android 4.3.1 "Jelly Bean"
Succeeded by	Android 5.0 "Lollipop"
Official website	www.android.com/versions/kit-kat-4-4/
Support status
Unsupported, Google Play Services support dropped since August 2023

Screenshot of Wikipedia on an Android KitKat tablet