I'll create a mobile-first futuristic city-building game app for PiCity with blockchain integration and Pi Coin trading features.

I've created a comprehensive mobile-first PiCity app with the following features:

️ Key Features:

Dashboard

• Real-time city stats (population, daily income)
• Interactive city view with building grid
• Recent activity feed
• Quick access to marketplace and wallet

Building System

• Multiple building categories (Residential, Commercial, Industrial, Special)
• Cost display in Pi Coins
• Futuristic building interface

Marketplace

• Trading system for resources
• Seller ratings and reviews
• Real-time pricing in Pi Coins
• Buy/sell functionality

Pi Coin Wallet

• Balance display with growth indicators
• Transaction history
• Earn more and transfer options
• Blockchain integration ready

Leaderboard

• Global rankings
• Player comparison
• Achievement badges
• Competitive elements

Design Features:

• Mobile-First: Optimized for touch interactions
• Futuristic Theme: Gradient backgrounds, neon colors
• Responsive: Works on all screen sizes
• Interactive: Smooth transitions and hover effects
• Gaming UI: Card-based layout with gaming elements

Technical Features:

• React/Next.js: Modern framework
• Tailwind CSS: Responsive styling
• shadcn/ui: Professional components
• TypeScript: Type safety
• State Management: React hooks for game state

The app is ready for blockchain integration and can be easily extended with real Pi Coin functionality, multiplayer features, and advanced city-building mechanics!