Tristonia
The catalogue

Apps with character.

Three apps so far. Each one started as a problem I couldn't shake, and ended up as something I'd be proud to install on my own phone.

Decision Spinner
Decision Spinner
Android · Royal Edition
01 / 03

"The game-show wheel for everyday choices."

Can't decide what to eat? Who's washing up? Where to go next weekend? Decision Spinner is a spinning wheel with real game-show physics. Tap it, watch it spin, listen to the ticks slow down, and let it make the call.

Inside the build

Six hand-crafted themes: Game Show, Roulette, Alloy Wheel, Carnival, Cartwheel, Minimal

Real game-show physics with a flapper peg that ticks every slice

Wood-on-wood tick sound and a C-major arpeggio win chime

220-particle confetti burst in the theme's palette

Weight options 1× to 5×, tournament mode, history of the last 25 winners

No accounts, no tracking. Everything stays on your device

ShrinkRay
ShrinkRay
Android · On-device AI
02 / 03

"Big tasks, shrunk down to doable."

Big tasks have a way of feeling overwhelming before you've even started. ShrinkRay's on-device AI breaks any task into smaller, doable steps: say what you need to do, and it maps out a clear path from start to finish, no cloud or accounts required.

Inside the build

Handles anything from big projects to small daily chores

Tap any step to break it down even smaller

Runs fully on your phone, private and offline

Free breakdowns daily, optional one-time Pro unlock, no subscription

Built-in content safety filters

No tracking. Your data never leaves your device

Trivia Together
Trivia Together
Android · Closed Testing
03 / 03

"The 1-v-1 trivia duel you play on your own time."

Trivia night doesn't have to mean everyone online at the same time. Trivia Together turns head-to-head quizzing into a game you play on your own schedule. Spin the wheel for a category, answer your questions, then pass the turn to your opponent, whether that's a random rival or a friend you've challenged with a code.

Inside the build

Asynchronous 1-v-1 duels: take your turn whenever it suits you, no waiting on your opponent

Spin the wheel across six categories: Science, History, Sport, Geography, Entertainment, and more

Earn coins and unlock achievements: win streaks, perfect matches, category mastery

Spend coins in the shop on power-ups like Extra Time, 50/50, and Skip

Track your level and stats, then climb the global leaderboard

Solo practice works fully offline, no sign-in required

Closed testing on Google Play Privacy Policy
In the workshop

More apps,
in good time.

New ideas are always brewing. They come out when they're ready, and not a moment before.