If you remove a column all the columns right of it move so far left that the are out of the board.

This patch works for me:
(got the line from samegame3)

diff --git a/examples/declarative/tutorials/samegame/samegame4/content/samegame.js b/examples/declarative/tutorials/samegame/samegame4/content/samegame.js
index 79ff0c1..38b5d8c 100755
— a/examples/declarative/tutorials/samegame/samegame4/content/samegame.js
+++ b/examples/declarative/tutorials/samegame/samegame4/content/samegame.js
@@ -145,7 +145,7 @@ function shuffleDown()

{ obj = board[index(column, row)]; if (obj == null) continue; - obj.x = (fallDist - column) * gameCanvas.blockSize; + obj.x -= fallDist * gameCanvas.blockSize; board[index(column - fallDist, row)] = obj; board[index(column, row)] = null; }