Simple.
Beautiful.
Apps.
Small apps that do one thing well. Designed for real people, built with attention to every pixel.
Pitch Quest
From single-note recognition to interval judgment and melody recall, Pitch Quest guides you step by step through three training paths — Absolute Pitch, Relative Pitch, and Melody Memory — each with 10 progressive levels.
- 3 training paths × 10 levels
- 128 real instrument sounds
- Built-in lessons & hints
- Stars, scores & combos
- Achievement wall & streaks
- Works offline
♪ PITCH QUEST ♪
Persona MBTI
A beautifully designed MBTI personality test that reveals your unique personality type in just 2 minutes. Based on the world-renowned MBTI framework with 12 carefully crafted questions across 4 dimensions.
- 16 unique personality types
- In-depth trait analysis
- Compatibility insights
- Beautiful result cards
- 4 dimension breakdown
- Save & share results
PERSONA
One Shade
The ultimate color puzzle game! v2.0 brings 5 challenge types: find the odd shade, brightest, darkest, most saturated, or lightest tile. Two modes: Classic with 3 lives, and Timed race against the clock.
- Classic & Timed modes
- 5 color challenge types
- Sound effects per level
- Coin hint system
- 6 languages
ONE SHADE
Aligned to the Hong Kong EDB 2025 curriculum and textbooks like Longman English Leap, this bilingual platform turns P2–P6 English into a game — 1,700+ vocabulary, 800+ exercises, 200+ reading passages, phonics & grammar, spaced-repetition review, adaptive difficulty and read-aloud speaking practice. No sign-up; progress stays on the device.
- P2–P6, aligned to HK EDB 2025
- 1,700+ words · 800+ exercises
- Spaced-repetition review & adaptive
- Read-aloud speaking practice
- Stars, badges & daily challenges
- No sign-up — data stays on device