Helioj app for iPhone and iPad

This is a game about boxes and balls, testing your hand speed and luck. The box in the game represents the box, the circle represents the ball, find the ball hidden in the box, that is, victory. All you have to do is find the hidden ball in the shortest time possible, which not only tests your hand speed, but also luck. There is a leaderboard that records the 10 best scores for each difficulty level. The game is divided into three difficulty levels, the primary is 3*3 formation; The intermediate is a 6*6 formation; Advanced is a 10 by 10 formation. After the game starts, it will be timed and you need to find the hidden ball in the shortest possible time