My work
My own apps, the tools I build, and work for clients. Confidential client work is described without names, but the engineering is real and the numbers are counted from the code.
Case studies
Each one covers the problem, what I built, the hard parts and where it stands today.

MyFitZ
My app, coming December 2026
A wardrobe manager for iPhone, Apple Watch and Vision Pro with weather-aware outfits and optional AI styling.
AI tools and automation
Tools I built and use, 2022 to now
Report pipelines, a coding-agent runner, a multi-provider AI kit, a desktop automation suite and a fee calculator.

Belize Lottery
My app, returning December 2026
Results, ticket tracking and stats for Belize's five national lotteries, fed by a Python bot that runs on a schedule.

Vision Pet
My app, coming January 2027
A life-size puppy on Apple Vision Pro that walks on your real floor and responds to your hands.
Screenplay development system
Contract for Sony, 2025
A Git-based writers' room with a "context engine" that kept AI writing assistants consistent across a 110-page script.

Car Codex
My app, coming December 2026
A garage manager for iPhone and Apple Watch with private iCloud sharing and an optional AI mechanic that files receipts for you.
Websites for small businesses
Client sites and my own
Marketing and booking sites for independent small-business clients, plus the two fast static sites you're on now.
Workforce platform
Client app, now becoming a product
A real-time workforce and operations platform for a service business, with Apple Watch, Live Activities and a manager AI assistant.
Shipped and in-progress apps
My own apps are published under Bang Bang Studios. Each one has its own page there with features, support and privacy details.
Earlier work
I started writing C++ in Belize City in 2010. These are the games and apps I built while learning, up to the projects that led to what I make today.
- 2010Fight / Quest
C++ text-based multiplayer fighter and text adventure (first programs).
- 2011Asteroids 2D, Super Andre, Fight 2D
C/C++ Dark GDK graphical games, high-score system.
- 2012Asteroids 3D, Snake, Laugh At My Pain, Tic-Tac-Toe
Dark GDK 2D/3D shooter; Objective-C iOS soundboard and board game.
- 2013DBZ Fight, BBS Memory Game, HoodRun
Objective-C games.
- 2015–18relliK
SpriteKit arcade shooter with entity hierarchy, physics categories, Jazzy docs (50 commits).
- 2017iMessage sticker packs
Bang Bang Studios and personal sticker packs.
- 2018Vapor demos
Server-side Swift experiments.
- 2020BLPackage / SPM
Swift Package extraction of Belize Lottery models (~5K lines).
- 2025BBS Memory Game (SwiftUI)
AI-assisted SwiftUI remake of the 2013 memory game, 2 modes, 4 difficulties.
Videos
Demos, app previews and older portfolio reels from my YouTube channel.
Deposit Estimator IOS
Belize Lottery Gource Video(Video Representation of Development)
Belize Lottery Ad
Belize Lottery App Preview
Belize Lottery Portfolio
Belize Lottery Demo
Andre Villanueva C++ Application Portfolio
WWYR 1.0
Andre Villanueva IOS Portfolio
Belize Lottery Demo(Beta 5 - 1-2018)
MyFitZ.Beta(2016 Version)Want something like this for your business?
Tell me what you're trying to do on a free 20-minute call and I'll tell you honestly what's worth building.