To access the device and send the instruction, you can use: computer, smartphone, tablet computer, etc, through the Internet using the address:
https://www.google.com/android/devicemanager
use your Gmail Account to set the Android device, and to sign-in to the Android device manager.
In order to make possible this feature, in the Android device, smartphone or tablet you have to enable the Access location feature and enable allow remotely setting on Android Device Manager menu.
Setting the Android Device, (Smartphone or Computer Tablet)
(In the example below , I use Android 4.4 Kitkat, for other Android is not too different )
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