Mahjong Palace is a full featured version of Mac Mahjong Solitaire with an integrated tile layout editor.

Some of the additional features include:

? Multiple Tiles Sets
? Multiple Background Images
? Multiple Layouts
? Undo Feature
? Reshuffle Feature
? Hints
? Tracks Rankings and Stats
? Large or Small Board Size
? Rotatable Tile Orientation
? Difficulty Setting
? Secondary Mouse Button Support