Coffee for Dessert

[Event “?”]
[Site “Chess.com iPhone”]
[Date “2024.08.12”]
[Round “?”]
[White “Guest5054028129”]
[Black “Guest3413731953”]
[Result “1-0”]
[FEN “rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq – 0 1”]
[WhiteElo “1600”]
[BlackElo “1600”]

1.e4 1.d5 exd5 2.Qxd5 d4 3.Qe6+ Be2 4.Nc6 Nf3 5.Nb4 d5 6.Qg6 Bd3 7.Nxd3+ Qxd3 8.Qxg2 Rg1 9.Qh3 Rg3 10.Qd7 Bf4 11.e5 Nxe5 12.Qe7 Re3 13.Qb4+ c3 14.Qxf4 Nc6+ 15.Kd7 Qb5 16.a6 Nb8+ 17.Kd6 Qe8 18.Rxb8 Qd8+ 19.Kc5 b4+ 20.Kb6 Qxf8 21.Qxh2 Qc5# {1-0}

Were the pawns actually poisoned? Improve 3 of blacks Queen moves (if possible)?