I would rather stay with the android phone, it does allow you to use non google approved apps from other app stores or sites. Apple has a total lock down on third party apps. so the 2A folks could make there on apps and send them out until android follow the example of apple. Gunbroker can...
Have you looked at the Henry mini bolt youth model I got my daughter one, It is single shot bolt action, along the lines of a cricket but my daughter needed it in muddy girl of course. I started her shooting when she was 5. And the Henry was made in NJ.
That checks Adam Landza shot up Sandy Hook due to his mother trying to have him committed and the state was fighting her until he flipped out and shot up the school
shouldn't matter if the rifle is legal in MD. I would recommend Big Dogs Outfitters in King George VA give them a call to see if you could use them. If I was to buy a new FNX I would buy it there and have it shipped to my FFL without the Magazines.
Too bad the 91's and PTR are banned I saw a PTR for 800 the other day in AZ. If the SCAR is too expensive than dont look at the 249S which is around 8K In the price range the AR-10 is the best solution. The RFB hunter and RDB are getting better but still around 2K.