Chess Game App app for iPhone and iPad

A simple chess game app.

=== Game features ===
* Offline mode:
- You can play with your friend on just one phone, and the game could be automatically saved when you exit the game or close the app.
- You could take steps back as many as you want under the offline mode, so you could work on different strategies with your friend.

* Online mode:
- You can register the online account using your email
- Play with a random player (Quick Start mode) or with your friend remotely (Search Player mode)
- Online Chatting system during the game

=== Caution ===
- The online mode makes use of Google Service. Some countries or regions may block the Google Service, the online mode will be unavailable in these countries or regions.
- Due to the low users on this app currently, there might not be enough players online to support "Quick Start" mode.