Candy Mahjong Tiles is mahjong solitaire in confectionery form: a layout of stacked tiles, and pairs to remove — but only tiles that are free, meaning nothing on top and one side open.
The candy theme makes the matching easier to read than traditional mahjong characters, which is why versions like this are a common entry point to the format.
When nothing is stacked on top of it and at least one of its left or right sides is open. Only free tiles can be matched.
Yes — matching in the wrong order can leave identical tiles stacked on each other with no legal move, which is why freeing tiles matters more than clearing them.
Yes — tap the tiles. Nothing to install.