App Lab

Things I've Built

Side projects shipped between client engagements. Most are vibe-coded MVPs, building towards more complex, polished products.

2026Live

Range Warmup

A browser FPS aim trainer that actually matches your real game sens. Pick Valorant, CoD, or Apex, plug in your DPI and in-game sens, and the cm/360 math scales mouse input so muscle memory carries over. Three drills: reaction, tracking, and a third-person peek mode.

Game DesignCanvasFPS Trainer
2026Live

Signal // Noise

A twin-stick browser shooter where enemies are sound waves you have to tune your weapon to. Built to study readability, telegraphing, and the tuning numbers behind game feel, ships with a full PM design doc.

Game DesignCanvasWeb Audio
2025Live

Three Good Things

A gratitude journaling app built during a rough patch. Log three positive moments daily with plans for a year-end Wrapped-style tracker.

ReactAIWellness
2025Live

Did You Call Your Parents?

A guilt-powered reminder app born from not calling home for two months. Gentle nudges to stay connected with family.

ReactNotificationsPersonal
2024Live

Rate My Resume

An AI resume grader for internship applicants who want a quick sense-check before hitting submit.

AINLPCareer Tools
2024Live

OptimizeAI Dashboard

A full analytics dashboard built for a pre-seed AI startup, visualizing model performance and user engagement metrics.

DashboardAnalyticsStartup
2023Live

GPA Calculator

A minimal tool to calculate the exact final grade needed to hit your target GPA. Built for stressed-out undergrads.

UtilityEducationTool
2026Live

Interview Copilot

A real-time meeting and interview copilot that listens in, surfaces relevant context, and suggests responses on the fly. Built for high-stakes calls where you can't afford to fumble.

AIReal-TimeProductivity
2026Building

Automated Grocery Runner

An AI-powered agent that learns your preferences, auto-generates weekly grocery lists, and schedules delivery. Currently in development.

AI AgentsAutomationFull-Stack
Strategy · Product · AI · Go-to-Market · Due Diligence · Competitive Intel · Pricing · Operations · Strategy · Product · AI · Go-to-Market · Due Diligence · Competitive Intel · Pricing · Operations · Strategy · Product · AI · Go-to-Market · Due Diligence · Competitive Intel · Pricing · Operations · Strategy · Product · AI · Go-to-Market · Due Diligence · Competitive Intel · Pricing · Operations ·
© 2026 Franklin ChengBuilt with intention