Android and iOS aren’t the only mobile operating systems out there. There's also KaiOS, launched in 2017, based on open source technologies free for public use, making it possible to bring the internet to more people around the world.
Remember Nokia and Sony Ericsson? Retro keypad phones are back, now called smart feature phones and updated wifi and bluetooth capabilities, selfie cameras, GPS and the glorious universe of apps.
How some groups are working to close the gap between the digital haves and have-nots, in the city-state purported to be the technology capital of Asia, one laptop at a time.