Question about gateway 3.5

I have a question about gateway 3.5 public beta/emunand 10.3.0-28U I have recently downloaded the update for gateway 3.5,,I then updated the emunand,all normal,as usual,then after that I went straight to the eshop and went to download to badge arcade and 3 demos (USA 3DS) I then loaded the badge arcade first thing after I download the stuff,then it just stood in a black screen,so I resetted my 3ds,then I went to play one of the demos,it loaded just fine,then after I was done with the...

Question about gateway 3.5