Mobile data switch panel plus

In addition, this widget provides following useful features.

* Automatically turn on/off mobile data connection while selected applications are running.
You can select the application (such as e-mail, for example), this widget automatically enable or disable mobile data connection while the app is running, and then return it back automatically when the app exit.

* Show alert dialog
After you connect manually, and giventime elapsed, this widget shows a confirmation screen for mobile data connection.

* Automatic turn off at screen goes off
Automatically turn off mobile data connection When you turn off the screen. it reduces unnecessary data communication and save battery.

* Wi-fi turn off togther
Automatically turn off Wi-Fi connection together with mobile data connection.

Also, there is a simple but free version "panel for iida Home 3G data communication switching" on Google Play. It's worth to try it. (only Japanese page exist, but english is supported)
https://play.google.com/store/apps/details?id=jp.gr.java_conf.panelsforiidahome.data3g

■ About permissions
System Tools:
- Used to get the connection state and to switch 3G data connection
- Used to get the connection state and to switch Wi-Fi connection
- Used to monitor the application running
Network communication:
- Used to get the status of the network connection

■ Changelog
1.8.1
- fixed black settings screen on some devices.

1.8.0
- Update settings screen.
- Add option to turn off Wi-Fi together with mobile data connection.

1.7.0
- Add option to wait a few second before disable mobile data connection.

1.6.0
- Add auto disable option
- Add option to show/hide background image.

1.5.0
- Update app icon (make hi-resolution)
- Add option to show/hide drop shadow below icon (iida Home only)

1.4.0
- Add button 'Notify later' on confirmation screen (alert dialog)
- Update app icon

1.3.0
- Add button to show all installed applications in app list window

1.2.0
- fix long service restarting issue

1.1.0
- fix forced close issue