Traffic Light

- This app is made to teach children how traffic lights works.

★ ★ ★ ★ ★ FEATURES ★ ★ ★ ★ ★

- Has two modes: Auto and Manually. Auto mode uses a countdown timer that starts out with a green light, then turns yellow, then turns red. Manually mode stops the timer and you can change the lights with a tap on the screen.

- Display time of each light is configurable.

- Support multiple devices and screen sizes.

- 这个程序是教给孩子的交通灯是如何工作的。

★★★★★特点★★★★★

- 有两种模式：自动和手动。自动模式使用一个绿灯开始了倒计时，然后变成黄色，再变为红色。手动模式下停止定时器，你可以在屏幕上一个水龙头更换灯。

- 每个灯的显示时间是可以配置的。

- 支持多种设备和屏幕尺寸。