You can disconnect a device or completely remove the application by resetting the screen in the editor interface.
Simply right click on the screen that you want to remove and select the Remove screen function under the Manage screen submenu.
Reset screen will remove your device from the server and clear the data of the application on the device. You can re-register and re-use your device.
Remove screen will completely remove the Wallboard application from the device and from the server.
You can also reset or remove Android applications manually.
To Remove the application manually go to android settings on your device, select apps, select the Wallboard application and select Uninstall.
You can remove Windows application from the device manually too.