The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
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download may not be available in some countries.
From Jacek Karaskiewicz:
Train Your brain and practice iQ in new puzzle game: * put the blocks in the right place to fill the whole board; * available moves depends on the game level: movement, rotation, mirror image; * use hints to quickly find a solution; * 45 levels; * 3 different sets of blocks;