Initial release of Personal Expense Tracker for Android.
Features:
- Quick expense entry with numpad, category chips, and note autocomplete
- Two-level category hierarchy with 60+ seeded categories
- Paginated expense list with search, filters, and swipe-to-delete
- Statistics with donut chart drill-down and daily/monthly histogram
- CSV import/export
- Automated nightly backup to a user-selected folder
- Home screen widget for one-tap expense entry
- Dark theme only (Material 3)
Requirements: Android 9+ (API 28)
Getting started: Download the APK, install it, then import the demo CSV to see the app in action. See the README for full instructions.