In this puzzle game you shall put together 4 squares. Each of theses large squares is put together from four puzzle pieces
(each of the puzzle pieces consits of three triangular or rectangular sub-pieces) in the beginning in each of the 16 board fields is
one piece. to move a piece, tap on it and then on the board area where you want to place it.
The goal is to put together four big square in four of the sixteen board areas.