NetHunter KeX requires broad permissions, including background location and network view, to function as a remote desktop client.
The "base apk" you are looking for is likely the , which allows you to connect to a running Kali Linux desktop session from your phone. Understanding NetHunter KeX Download Hunter KeX base apk
Use the command kex (after installation) in your terminal to start the VNC server on your device. NetHunter KeX requires broad permissions
Open the KeX App, enter your password, and connect to localhost:1 to view your Kali desktop. Safety and Compatibility including background location and network view
You should always download the APK from the Official NetHunter App Store to ensure safety and get the latest verified version.