[How to play]
1. Touch a cell to breed it in each direction.
2. Put 2x2s together and they disappear.
3. If you put three black ones together horizontally or vertically, that line will disappear.

[Shift]
When you erase cells, a shift bar will be accumulated. When the gauge is filled and you touch the arrow button, you can move the line.

[Score]
200 if you erase the black ones, 20 otherwise. Use the black ones well and aim for the top rank!

This application is free of charge.