Road to Crown Brain Training is a free educational game for Android 9.0 developed by 12KK. The game comprises five number games that aim to provide a daily brain warm-up for anyone who wants to improve their cognitive abilities.

The game offers a variety of challenges that increase in difficulty each day. The first game, Worm Calc, requires players to establish a formula, while Mini Sudoku requires players to fill in numbers from 1 to 4 in each row, column, and subgrid. The third game, Find Formula, tests memory and computing skills by asking players to choose the correct formula from a set of answers. Match Match, the fourth game, requires players to turn cards and complete all pairs, testing memory and reasoning. Finally, Find Differ challenges players' concentration and reaction times by asking them to find a different number from two groups.

Road to Crown Brain Training is an excellent option for those who want to improve their cognitive abilities while having fun. The games are challenging and engaging, and the daily increase in difficulty keeps players on their toes. Overall, it's a great way to start the day and get ready for work or study.