Grab Triangle app for iPhone and iPad
这是一款训练注意力的小软件，训练眼手并用的协调能力。你只需要轻击小球，让跳动的小球碰到三角形即可得分，看看你能得多少分吧！
This is a small software for training attention, training the coordination ability of both eyes and hands. You only need to tap the ball and let the beating ball hit the triangle to score. See how many points you can get!