Lab

Things I build to test ideas: growth tools from my day job, and consumer products on the side.

How I work

My AI Operating Stack

An interactive architecture of how I work: AI agents, connected data, scheduled automations and a push-to-live pipeline, with human approval gates. Click a scenario to trace it.

Explore the stack →

Growth & CRO tools

Each one runs entirely in your browser — nothing you type is sent or stored.

↗

E-commerce · Strategy

Growth Strategy Builder

Revenue target → traffic, conversion and order-value lever mix, direct-channel commission economics, and an ICE-ranked Now / Next / Later roadmap you can copy into a deck.

Open tool →

Data · Statistics

KPI Anomaly Radar

Paste or upload a daily KPI export. A weekday-seasonal median + MAD baseline flags real spikes and drops, not every Monday.

Open tool →

A/B

CRO · Experimentation

A/B Test Calculator

Significance, confidence interval, sample-ratio-mismatch check and a sample-size & duration planner, with a plain-English verdict for stakeholders.

Open tool →

↘

E-commerce · Revenue

Funnel Uplift Modeller

Model a booking funnel step by step and see which conversion lever is worth the most bookings and revenue.

Open tool →

Consumer prototypes

Side builds outside my day job: real users, real data, shipped fast to learn what people actually use.

Family · Open data · Prototype

FamsDB — where to take the kids today

Answer three taps (district, child's age, today or tomorrow) and get three picks, ranked with live Hong Kong Observatory weather, play-room session times and closure notices across 110 LCSD venues. Cantonese UI.

Try it →

Sport · Computer vision · Prototype

One-Fix Swing

Film one tennis forehand, backhand or serve on your phone and get the one thing to fix first, plus a drill. No app, no account; the video never leaves your phone.

Try it →