What have you built?

Four worth talking about.

Hidden Intelligence is a social deduction game where players try to identify the AI hiding among them, on the web and the App Store. The part I enjoyed most was making the impostor hard to spot: real and AI-generated answers are normalised through one pipeline, so nobody gets caught out by formatting rather than by what they said. Flutter and React clients, Firebase, Gemini 2.5 Flash, with RevenueCat and AdMob behind the business model.

Momeant is a Flutter social app on a Go backend with MongoDB and Redis. It is built around co-presence, proving two people are actually in the same place, which is done with a server-authoritative QR protocol on one-second rotating nonces. A screenshot of a code is worthless a second later.

Hybrid is an interpreted language I maintain, with flexible syntax for flexible environments. Open source and ongoing.

And this site: a generative-AI persona of me on React, TypeScript and Firebase, with Gemini doing the talking, so you can ask instead of scroll. The written pages are prerendered at build time from the same file the chat is grounded in, so the two can't drift apart.

The readme has links to all four.