[RKCRLR]

I'm trying to install this addon on a Nvidia Shield but I'm having a problem.  I can't quite follow the HOW TO tutorial exactly.  I have more folders to go through to get to "userdata > addon_data > plugin.video.youtubelibrary > Streams > TV" but I could get there.  However, I had to enable the show hidden files option to do it.  
I got to the point where I'm trying to Add new Channel as TV Show.  But when I press OK it just takes me back to the top of the menu (..).  It doesn't bring up a search box. 

I've had other problems with permissions issues on the Shield, could that be it (it did create a YoutubeLibrary TV folder)? 

Can I choose another location for my files?  

I live in a rural area and have satellite internet.  My data is metered.  I get 10GB/month during the day but with an additional 50GB/month during the hours of 2 am to 8 am.  My objective is to schedule YouTube downloads during the hours of 2 am to 8 am. 
Will I be able to do this with the Youtube Library addon?   
Will I be able to specify my NAS or an attached USB hard drive as the location for the downloads?  

Any help will be greatly appreciated.  
Thanks