NN666Rhythm

NN666Rhythm is a calm, offline habit calendar for simple daily actions.

Use it to record low-risk routines such as reading, tidying, writing, sketching, or short practice sessions. The app focuses on facts, not streaks or pressure.

Features:
- Create habits with a name, description, icon, notes, start date, planned weekdays, and an optional count goal.
- Record each day as Done, Partial, or Skipped.
- Backfill the last 7 days with a clearly labeled planned date.
- Add short notes and keep the last modified time.
- Review one habit in a calendar view with 7-day, 4-week, and 12-week summaries.
- Pause, archive, restore, or delete habits when your routine changes.
- Keep the first two sample habits, edit them, or remove them at any time.
- Adjust week start day, default review period, theme, font size, and motion level.

Everything stays on the device through local SharedPreferences storage. The app does not require an account, cloud sync, push notifications, or a health diagnosis. It is designed to stay gentle, factual, and easy to use.