Pioneer DDJ SB with Cross DJ Android and Samsung Galaxy Tab S 10.5

After a few weeks trying to find the answer and trying various things myself, I'm hoping you can help me with this set up.

I am using Cross DJ Pro on my Samsung Galaxy Tab S 10.5. I want to use my Pioneer DDJ SB controller to control it. The tablet support USB 2.0, and I have a powered USB hub with USB 3.0 ports. The Samsung tablet has a USB 2.0 OTG cable (I also have the Samsung OTG adapter that came with my Samsung S7). I have tried the following combinations, none of which work:

1. Tablet with OTG cable.USB lead from tablet to one of the USB hub 3.0 ports. USB lead (provided with controller) from Pioneer controller to another 3.0 port on the USB hub.

2. Tablet with OTG cable. USB lead (provided with controller) from Pioneer controller to the tablet.

3. Tablet with OTG cable.USB lead from tablet to USB In port on USB Hub. USB lead (provided with controller) from Pioneer controller to one 3.0 port on the USB hub.

4. Tablet with OTG cable.USB lead from tablet to one of the USB hub 3.0 ports. USB lead (provided with controller) from Pioneer controller to another 3.0 port on the USB hub. USB lead running from USB In port on USB Hub to PC

The tablet is running Android 6.01

The youtube video from Cross DJ suggests that scenario 1 should work, it does not for me https://www.youtube.com/watch?v=XRAao2CFfQc

Equipment I am using is below. The leads and USB hub are all working fine with other equipment, the OTG cable supports other item such as flash drives,so I also know there is no fault with the tablet.

USB Host
https://www.amazon.co.uk/gp/product/B01L79GP56/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1

OTG Cable
https://www.amazon.co.uk/gp/product/B00LN3LQKQ/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1

HELP !