Even more fun than mouse/computer version because you can access tiles so quickly with your fingers. Some layouts are very difficult because many pairs of the same image land on top of each other, but just be persistent and use the undo.to.tile button.
Best tile game out there. I bought the windows version years ago and it is still a favorite of mine. I might upgrade soon. Its worth it!!
Minor change to remove a small bit of beta-test code that was accidentally left in that caused the program to stop working on December 15th.