The video app, Monkey, is designed to help teenagers make new friends
Eye defects in children could be identified in people's homes using a tablet game developed in Wales.
Yuma Soerianto, a 10-year-old app developer from Melbourne, Australia, was the youngest attendee at Apple's developers' conference this week. He spoke to the BBC's Dave Lee about his skills, ideas, and what he wants to be when he grows up.
Video-recording glasses go on sale in the UK, as the company behind Snapchat tries to diversify.
A new app uses augmented reality to remotely help people to use gadgets, by offering virtual instructions that "stick" to objects. Project Chalk can be used on a typical tablet or smartphone. The BBC's North America technology reporter Dave Lee got help working a coffee machine.
The popular video-calling app now lets people curate a 'daily story' - just like Snapchat.