App: Qoki - Sudoku Killer Calcudoku
Developer: Sudelli
Genres: Entertainment, Puzzle, Games

With puzzles of different difficulty levels, Qoki app is suitable for beginners and experts alike. You can play in easy mode for practice, or in hard mode to put your skills to the test.
Our Logic Game application is also easy to use. It lets you check your progress in real time.

Release notes:
Added solutions for books
Minor styling update