I'll create a Classic Solitaire mobile app with a clean, mobile-first design and full game functionality. This will include drag-and-drop card movement, scoring, timer, and all the traditional Solitaire features optimized for mobile devices.

I've created a fully functional Classic Solitaire mobile app with the following features:

Key Features:

• Mobile-First Design: Optimized for touch interactions with appropriate card sizes and spacing
• Complete Solitaire Gameplay: Traditional Klondike Solitaire rules with tableau, foundation, stock, and waste piles
• Touch-Friendly Controls: Tap to select cards, tap to place them
• Visual Feedback: Selected cards are highlighted with a yellow ring
• Game Statistics: Score tracking, move counter, and timer
• Auto-Flip Cards: Face-down cards automatically flip when revealed
• Stock Pile Management: Draw 3 cards at a time, reset when empty
• Win Detection: Celebrates when all cards are moved to foundations
• New Game Function: Reset and start over anytime

Mobile Optimizations:

• Responsive Layout: Works perfectly on mobile screens
• Touch Targets: Cards are sized appropriately for finger taps
• Compact Design: Efficient use of screen space
• Clear Visual Hierarchy: Easy to distinguish between different game areas
• Smooth Interactions: Immediate visual feedback for all actions

How to Play:

1. Tap the stock pile to draw cards
2. Tap cards to select them (highlighted in yellow)
3. Tap where you want to place the selected card
4. Build foundations (top right) from Ace to King by suit
5. Arrange tableau columns in descending order, alternating red and black
6. Only Kings can be placed on empty tableau columns
7. Only Aces can start foundation piles

The game includes all traditional Solitaire features with a beautiful, mobile-optimized interface that's perfect for playing on phones and tablets!