This is an incomplete copy of Threes, a game similar to but more interesting than 2048 in Android.

The game is implemented by Haskell with the gloss, an excellent graphics library.

There are some more works to do:

• The numbers shown is too ugly, since gloss can't set the font of text. Maybe numbers can be generated in the BMP format by code and drawn by bitmapDataOfByteString in Graphics.Gloss.Data.Bitmap;

• Show the score and the score history, but gloss doesn't support pretty text show.

The following is a demo show: