国际象棋：简单防御

2018年12月17日

* Chess King app released! Now you can study all courses within one app! The app provides subscriptions to all courses.
* Added Arabic, Indonesian, Filipino and Vietnamese translations
* Added night mode
* Added option to disable popup ads for 1 hour
* Added "Make current move" button in engine analysis mode
* Theory exercises are now marked as read after 3 seconds
* Fixed display issue on Android 8 in landscape mode
* Improved engine mode
* Various fixes and improvements