Octopus by Joy - 1st icon-based watch that teaches kids good habits and time
Android - Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Kids in Touch - A safe, fun, messaging app for kids monitored by parents
LineageOS - Operating system for smartphones and tablet computers, based on the Android
KidHab - Develop useful habits in your kid together
KaiOS - KaiOS is a light operating system for smart feature phones like the JioPhone and Nokia 8110.