What it can do?
After connect/disconnect to a saved wifi, it can auto change your setting
Whitch setting is support to change?
see the pic below

When you would need it?
1.Into your office, you want to minimize your phone volume, lower down the brightness.
2.After leave home/office, up brightness and ture on auto light and so on.
Where can you find this app?
Google play search Shaver-Phone Enviroment Changer or just click this [link](https://play.google.com/store/apps/details?id=com.u3coding.shaver)