Designed for users who want to lock screens in need of

This year, I was preparing for an exhibition. I built a simple game for children by using Scratch. On the day of the exhibition, I wanted to lock the screen of the tablet to hinder users (especially children) from entering other websites other than my game. I downloaded a few application, hoewer none of them provided what I needed. So I come up with this idea of restricting screens from opening another tab.

I had examined over 5 application that promises *locking my screen* and *blocking using other apps*, however; none can truly locked my screen neither stop me from roaming around the Internet.
Here is what I found out:
👉 Users, especially parents want to have control over their children's screen time and history.
👉 Users should be able to lock certain websites and stick in this website link only.

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