== Features ==
* 50+ decks of tsumego
A lot of decks separated by topics, authors and levels. Worth to try them all!
* 10000+ tsumego
Almost endless content to study and solve.
* No "click-through" conception
You should solve tasks by paper and pen, not by clicking the board. It improves your ability to read problems in real game.
* Dark mode
It changes the theme to the Dark mode. Better to use in dark places and rooms.