Cultivate creative expression with people irl as every1's entertainment source! Make music & art together, riddling, design, storytelling...
A nappy / diaper that is sensitive to moisture & changes colour where the diaper is wet. Good for both child and parents / carer!

Check-in app esp. for health: Location (@doctor weekly), Task (take pill 1pm daily), etc. - friend maybe alerted if u dont, rewards if u do.

Integrate exercise equipment two-way with tv console / computer for scenic routes worldwide (film vs game) with speed / resistance response

Use speech to text software to provide instant subtitles to make conferences, church, lectures, etc. available to hearing-impaired people.

Use gamer motivation: Create diverse ways for healthy real life activities (social, exercise, etc.) to also give their characters exp points

Heat-powered fans to direct smoke away from people - clip onto barbeque away from cook or stand 3 around campfire pointing up for everyone