Small, useful, delightful products for Android — every one free on Google Play. Here's the full lineup.
A free brain-training app: 17 bite-sized games across memory, attention, speed and problem solving, with a Brain Score, levels, XP and daily practice — wrapped around a clean, friendly, distraction-free design. No subscription, no paywall.
GET IT ONGoogle Play
Real-time multiplayer chess. Share a 6-character code with a friend or drop into a public lobby — every move syncs instantly over the cloud. A complete chess engine (castling, en passant, promotion, check & mate), plus a practice-vs-computer mode when you want to play solo.
GET IT ONGoogle Play
A fresh, level-based take on Sudoku. Climb a winding level map across Easy, Medium and Hard tracks — with lives, hints, notes, undo and a live timer. Earn stars for clean solves and rank up from Beginner to Master.
GET IT ONGoogle Play
An encrypted trading journal. Log every trade with notes, mood and tags — what worked, what didn't, and the plan for next time. Entries are encrypted on your device and locked behind a PIN or biometric. Private by design, no account required.
GET IT ONGoogle Play