The Firefox APK for Android 4.4.2 offers many features that make it a great alternative to the default Android browser:

: Because Firefox brings its own complete rendering engine (Gecko) inside the APK, it bypasses the broken system internal defaults.

Using a browser from 2020 is generally considered more secure than using the stock "Android Browser" from 2013, as it supports newer web standards and encryption protocols that older built-in browsers cannot handle. Key Features for KitKat Users