On i Phones and i Pads, this is called “Guided Access.” First, go to Settings Guided Access to set up Guided Access.

On phones running Android 5 and higher, it’s called “screen pinning.” First, go to Settings Screen pinning and turn it on and also enable “Ask for PIN before unpinning.” Then load your app, hit the overview button – the little square on the bottom right – and swipe up until you see a pin icon come up in the lower right corner.

Now your child will need your PIN in order to switch apps.

She has written for the Chicago Tribune, reported from the front lines in Afghanistan, and ran a business news bureau in China.

Today, she specializes in emerging technology, including cybersecurity and virtual reality.

But the only account restriction currently available is to turn off the ability to make phone calls and send text messages.

That said, you can restrict their Google Play account. You’ll be able to set specific content restrictions on apps and games, movies, TV, books, and music.Here are the links to information about the privacy settings on the most popular apps: Children are as vulnerable as the rest of us, if not more so, to clicking on bad links and downloading malicious software.To protect them and their devices install anti-virus software on all of them.You can turn off Guided Access either with a PIN or by setting it up to work with your Touch ID through Settings app is available for Apple, Android and Amazon devices.The app is free for one child, and includes the ability to monitor the device remotely and to see your child’s web and search history.As in the off-line world, you need to provide guidance, set boundaries, and, depending on your child’s age and maturity level, put safeguards in place.