捷運警戒器

搭乘大眾交通工具，過程無聊，滑手機是一定要的，但是如果出現壞蛋要怎麼辦呢?

沒關係，安裝本app，它會定時提醒您注意四周，讓你放心滑手機。

使用方式：開啟app，設定震動時間、方法，再按下啟動即可。 By public transport, process boring, slide phone is a must, but if the bad guys how to do it?

Okay, install the app, it will regularly remind you around, let you rest assured slip phone.

Use: Open the app, set the vibration time, method, and then press the start can be.