BackGround Vibration

【App Introduction】
The Vibration at screen ON / OFF, which was not likely to be it on all of Android smartphone app! You can use like a function setting on Android smartphone. Detect ON / OFF of the screen and let the vibration feel. You can enjoy the vibration when screen is on and screen off. Let's get your own smartphone!

▼ How to use
Even if you quit the application, BackGround Viberation detects its behavior with BackGround. So you can use it like the setting. When you press the START button, you can find the system Toast. After that, please exit this application by pressing the home button. When you would like to cancel this setting, wake up this application again and press the FINISH button.