You can control your child's phone or tab on local network easily. Just install this app in your child's phone or tab and enable the service to control it. Then connect all devices to same Wifi access point or tethering to be discovered.

Key features:
* Simple interface
* No account registration (no data collected)
* Set limit usage remotely
* Send message remotely
* Lock phone remotely
* Set volume, brightness remotely
* Find phone by ringing it
* Can use tethering (no internet required)
* Can manage self device (same phone)
* Apps lock
* Connect from anywhere via cloud


NOTE:
Device administrator permission is required to lock the device when the time is up

http://play.google.com/store/apps/details?&id=com.landak.gimbotparentalcontrolpro