About Keydoku

Keydoku Offline Sudoku for Android keypad phones.** Keydoku is a small, native Sudoku game designed for phones such as the Dumber Mini. Play with a physical keypad or keyboard, with optional touch selection. No ads, accounts, analytics, or network permission. Download APK · Controls · Privacy · Report an issue Features Puzzles with a unique solution in four difficulty levels: Easy, Medium, Hard, and Expert. Notes, hints, undo, and redo. A timer, per-difficulty statistics, and saved progress. Optional mistake checking, cell highlights, sound, and haptic feedback. Compact menus and shortcuts designed for small screens. Install and update Requires **Android 6.0 or newer** and a **physical keypad or keyboard**. Touch selects cells and menu items; there is no on-screen number pad. Download the signed APK attached to a GitHub release and open it on your phone. Allow installation from your chosen browser or file manager if Android prompts you. Current-format releases include keydoku.apk and SHA256SUMS. For updates through Obtainium, add: F-Droid submission is planned; Keydoku does not have a confirmed F-Droid listing. GitHub is the current distribution channel. Quick controls | Key | Action | | --- | --- | | D-pad | Move between cells | | 1–9 | Enter a digit or toggle a note | | 0 / Delete | Clear the selected cell | | * | Toggle notes mode | | # | Fill a hint | | Volume − / Volume +…

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