Downloading the official for Android 4.4.2 (KitKat) is possible, but it requires using older, legacy versions. While the current official version of Tor Browser generally requires Android 5.0 or newer , the project previously supported older versions of Android starting from version 4.1. Compatibility & Downloads
(which supports Android 4.0+) and configure its proxy settings to use Tor. Archived Tor Browser APKs: download tor browser for android 4.4.2
Most Android 4.4.2 devices use arm-v7a (32-bit). If your device has an Intel processor, look for the x86 variant. How to Download and Install Download Tor Browser 15.0.11 (140.10.1esr) for Android Downloading the official for Android 4