Nudge Ray Vivid Peach

Flashcard deck management for category-based study organization.
- Spaced repetition algorithm with five levels of card mastery.
- Automated review scheduling based on individual card performance.
- Card-flipping study interface with front and back content display.
- Recall validation with success or failure ratings for cards.
- Statistics dashboard showing pending reviews and total cards.
- Customizable deck colors and icons for easy identification.
- Progress indicators for monitoring mastery levels within decks.
- Persistent data storage for all flashcard records and settings.