A:AnswerIt is backlit. Because it is battery powered they dont stay lit indefinitely though, once you stop typing they stay on for several seconds, then they come back on when you start typing again.
A:AnswerNo, it will not. Samsung Tablets are much thinner than the SP and the "clips" that hold the tablet are not adjustable. I have a Galaxy Tab S7 Plus and you could almost fit 2 of them in the gap for the SP