KitKat was the first version of Android that supported the "OK Google" wake commands. At this time, it only worked with the screen on, but it was an important beginning step for what would eventually become Google Assistant. Android fans may remember KitKat as the version that launched on the Nexus 5.
Is Android KitKat still supported? As of October 2020, 1.47% of Android devices run KitKat. As of August 2022, it is the oldest Android version still supported by Google Play Services and is currently the minimum version to develop apps for the Google Play Store. …. Android KitKat.. 292 396 148 272 248 339 111 371 110