I love the ability to add puzzles. I don't think anything else does this - and not many puzzles in other apps are pitched for young players. However, what am I doing wrong with the below puzzles please? They don't work in the app (I have added one with a variation, but the others don't work too).
[Event "Puzzle 1"]
[Site "DESKTOP-TVMETDN"]
[Date "2021.11.04"]
[Round "?"]
[White "Find the best moves for White"]
[Black "Jonathan"]
[Result "*"]
[Time "10:14:32"]
[SetUp "1"]
[FEN "4k3/8/8/4PK2/8/8/8/8 w - - 6 17"]
[PlyCount "9"]
17. Ke6 Kd8 18. Kf7 Kd7 19. e6+ Kd8 20. e7+ Kd7 21. e8=Q+ *
[Event "Computer chess game"]
[Site "DESKTOP-TVMETDN"]
[Date "2021.11.04"]
[Round "?"]
[White "Find the best move for White"]
[Black "SOS 5.1 for Arena"]
[Result "1-0"]
[Time "10:19:35"]
[SetUp "1"]
[FEN "2b3rk/ppp3pp/8/6N1/8/8/PPP3PP/1K6 w - - 0 17"]
[PlyCount "1"]
17. Nf7# 1-0
[Event "Computer chess game"]
[Site "DESKTOP-TVMETDN"]
[Date "2021.11.04"]
[Round "?"]
[White "Find the best move for White"]
[Black "SOS 5.1 for Arena"]
[Result "1-0"]
[Time "10:26:06"]
[SetUp "1"]
[FEN "2r1k3/p2p4/b2P4/2P2P1p/N6B/1Q3N2/4PP1P/2R2RK1 w - - 2 29"]
[PlyCount "1"]
29. Qg8# 1-0
[Event "Computer chess game"]
[Site "DESKTOP-TVMETDN"]
[Date "2021.11.04"]
[Round "?"]
[White "Find the best moves for White"]
[Black "Jonathan"]
[Result "1-0"]
[Time "12:27:14"]
[SetUp "1"]
[FEN "6k1/5ppp/8/3p4/RB2r1Q1/8/5PPP/5RK1 w - - 1 29"]
[PlyCount "3"]
29. Ra8+ (29. Qc8+ Re8 30. Qxe8#) 29. .. Re8 30. Rxe8# 1-0