What exactly is the kid's phone going to do in the case of a school shooting? Does it unfold into a bullet-proof vest, or a gun, or something? Speaking of bull

What exactly is the kid's phone going to do in the case of a school shooting? Does it unfold into a bullet-proof vest, or a gun, or something? Speaking of bulletproof vests, wouldn't ensuring that Junior is wearing one be way more useful than a cellphone for seeing him home alive?