I'll create a mobile farming game app for PiFarm with a focus on mobile-first design and responsive layout. This will include farming mechanics, animal raising, trading, and Pi Network integration.

I've created a comprehensive mobile farming game app for PiFarm with the following features:

Key Features:

1. Mobile-First Design: Optimized for touch interactions with large buttons and responsive grid layouts
2. Pi Network Integration: Pi coin currency system displayed prominently

3. Farming Mechanics:

   • Crop planting and harvesting with growth timers
   • Animal raising with production cycles
   • Real-time progress tracking

4. Game Elements:

   • Level and experience system
   • Energy management
   • Inventory management
   • Market trading system

5. Social Features:

   • Friends system
   • Community rankings
   • Activity feed

6. User Interface:

   • Tab-based navigation for different game sections
   • Progress bars for crops and animals
   • Colorful, game-like design
   • Fixed bottom navigation for easy access

7. Interactive Elements:

   • Harvest crops when ready
   • Collect animal products
   • Sell items in the market
   • Real-time timers and countdowns

The app uses a green color scheme to match the farming theme, with intuitive icons and clear visual feedback for all actions. The design is fully responsive and optimized for mobile devices with touch-friendly controls and appropriate sizing for thumbs and fingers.