Some minor bugs fixed.

1, adapt to full-screen devices;
2, other optimizations.

This app has been updated by Apple to display the Apple Watch app icon.

bug fix

bug fix

fix the timer bug;

1, critical bug fix: probability crash in Solver;
2, new app icon;
3, other optimizations;

1, new technique detail descriptions for every technique;
2, other optimizations;

1, critical bug fix: some player can't unlock the 4th chapter;
2, optimization for "COLOR" grid style;

1, open more free levels;
2, veteran can start playing directly from the3rd chapter;
3, new "COLOR" grid style;

1, new chapter bonus: 3 Help Item for every chapter；
2, reduce the difficulty of the challenge；
3, optimize Solver；

1, new feature : general puzzle solver;
2, new VIP system;
3, new game font