What is Android 4.4 KitKat? It’s the latest version of Google’s Android OS. Google wants KitKat to be the Android update to bring the system to wider array of devices. They hope that this version will let users enjoy the new Android 4.4 experience no matter the device they use. Depending on which version of Android you own and what model phone you have, the exact process for updating your Android might vary slightly. But most devices can be updated in this way: 1. Start M37NCnV.