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DexPuxzle is a recreation of the famous 4X4 sliding puzzle
Refer to http://en.wikipedia.org/wiki/Fifteen_puzzle for the details of of the puzzle. It is simple to use, and thus, I hope, requires no Wiki and support.
This smallapp was developed in Netbeans IDE 7.1 using java swing API.
Sudokulib is a small C++ library for generating and solving sudoku puzzles. The projects also contains a small sudoku app for Linux and Windows systems. The subproject MobileSudoku is a J2ME-Version. It should run on all recent mobile phones.