Keep a cheap Windows mini-PC (like a Beelink) on your home network as a dedicated USB Helper server. Stream it to your Android tablet via Parsec. You will get the speed of a desktop with the portability of a phone.
Using Wii U USB Helper on Android can be a bit more complicated than using it on Windows, but it can be a great way to manage your Wii U games and content on the go. wii u usb helper android