FC 26 won't start on Amazon luna: Load Settings File

Hi folks,

I'd appreciate some help here as I'm not a gamer and I'm simply trying to load FC26 on my son's Amazon Fire for him to play. I have installed Amazon Luna and went ahead and spent $30 to order the App and install it on the Amazon Fire.

When I now go into Luna (from my adult account) and spin up the App I get this black screen (see attached image) which asks me to "Create a New Settings file". I honestly am clueless as to what to do at this point, what to enter, how to use any of the control buttons below. Is this a glitch or a step that I have to follow ? I have  a little boy who's quite frustrated.

Thank you so much !