The app offers a vast collection of Sudoku puzzles, providing enough content for a lifetime of play. It includes features such as undo, notes, hints, erase, difficulty modes, color options, statistics, and a timer.
The app presents a challenge to touch numbers 1 through 100 in order within four minutes. A scoring system rewards quick number finding, and users can compare scores with friends and attempt achievements.
Diagnose innate intellectual abilities and potential.
The app offers 19 types of brain training exercises to enhance innate intellectual abilities. It calculates a deviation value from these abilities, which can predict university entrance exam success and appropriate annual income.