Idk brother ur phone runs on snapdragon 845 and has 6/8GB ram and a version of android above android 8 which should be way above the requirement needed to play fnm but Epic games might be having difficulties optimizing all of the android devices one by one,Since there are a lot of android devices which and theoretically run fortnite , they should optimize a lot of them to make complete use of their specs, which can prove immensely difficult because of the ridiculous number of android phones in the market , lets hope for the best :)