Pokémon GO Companion App Development

# Technical Specification for Pokémon GO Companion App

I'm looking for a developer to create a mobile application that will serve as a companion app for Pokémon GO players. The app will focus on organizing raids and facilitating Pokémon trading (not selling).

## 1. System Architecture

### 1.1 Mobile Application
- Native Android application (Google Play)
- Native iOS application (App Store)
- Complete integration with Google Play Store and Apple App Store
- Responsive design for various screen sizes
- Multilingual support (automatic device language detection)

### 1.2 Backend
- RESTful API for connecting with web administration panel
- Database (PostgreSQL/MongoDB)
- Cloud hosting (AWS/Google Cloud/Azure)
- Authentication server
- Localization services
- Well-documented API endpoints for future web panel integration

### 1.3 Development Deliverables
- Complete source code
- Documentation for API and backend
- Training on how to manage and maintain the application
- Support for app store submission and publishing process
- Knowledge transfer for future development

## 2. Authentication and User Accounts

### 2.1 Login Methods
- Google account
- Apple ID
- Pokémon GO account (if API available)

### 2.2 User Profiles
- Unique trainer ID
- Game nickname
- Trainer level
- Team affiliation (Mystic, Valor, Instinct)
- Avatar
- Raid participation statistics
- Preferred language (with option to change)

## 3. Localization and Multilingual Support

### 3.1 Supported Languages (First Phase)
- English
- Czech
- German
- French
- Spanish
- Italian
- Polish
- Russian
- Japanese
- Korean
- Chinese (Simplified and Traditional)

### 3.2 Localization System
- Automatic device language detection
- Manual language selection option
- Localized time formats and currencies
- Regional customization

## 4. Pokémon Database

### 4.1 Pokémon Data Structure
- Pokémon ID
- Name (in all supported languages)
- Image (normal form)
- Image (shiny form)
- Type (primary/secondary)
- Statistics (HP, attack, defense)
- Available moves (localized names)
- Evolutions
- Regional availability
- Rarity

### 4.2 Data and Image Sources
- Official API (if available)
- Custom database with regular updates
- High-resolution images for all Pokémon
- Icons for types, weather, and other game elements

## 5. Raid System

### 5.1 Raid Room Structure
- Unique room ID
- Raid type (1-5 stars, Mega, Shadow)
- Raid boss (reference to Pokémon in database)
- Start and end time (with automatic conversion to user's local time)
- Location (GPS coordinates, location name)
- Maximum number of participants
- List of registered participants
- Status (planned, ongoing, completed)
- Payment status (paid/unpaid)
- Room language (with language filtering option)

### 5.2 Raid System Features
- Room creation (priced at 49 CZK or equivalent in local currency)
- Search for available raids
- Filtering by type, time, location, language
- Joining existing raids
- Raid start notifications
- In-room chat (with automatic translation option)
- Raid code sharing
- Raid success rating

## 6. Trading System

### 6.1 Trading Features
- Pokémon trading catalog (what you have to offer)
- Wishlist (what you're looking for)
- Trading preferences and requirements
- Trainer code display for adding friends
- Trading history

### 6.2 Trading Search
- Search by Pokémon name, type, CP, etc.
- Filter by distance, rarity, or special features (shiny, legendary)
- Matching system to connect trainers with complementary needs
- Notifications for potential trade matches

### 6.3 Trade Coordination
- In-app chat for trade coordination
- Location sharing for meeting up (optional)
- Trade rating system

## 7. Backend for Administration Panel

### 7.1 API Endpoints for Admin Functions
- User management API
- Raid management API
- Pokémon database management API
- Payment and transaction API
- Statistics and reporting API
- All APIs must be well-documented for future web panel integration

### 7.2 Data Export/Import
- Ability to export data in standard formats (JSON, CSV)
- Import functionality for bulk updates
- Backup and restore capabilities

## 8. Payment System

### 8.1 Payment Gateways
- Google Pay
- Apple Pay
- Credit cards
- Additional local payment methods by region

### 8.2 Pricing
- Raid room creation: 49 CZK or equivalent in local currency
- Automatic price conversion by region
- Package options (e.g., 5 rooms for 199 CZK)
- Premium membership (optional)

### 8.3 Transaction Management
- Record of all payments
- Transaction history API for admin panel
- Secure payment processing

## 9. Friend System

### 9.1 Friends
- Adding friends using trainer code
- Friend list
- Friendship level
- Joint raid history
- Filtering option by language/region

## 10. Technical Requirements

### 10.1 Performance
- Fast application response (<2s)
- Ability to handle peak loads (10,000+ concurrent users)
- Efficient data caching
- Optimization for various connection speeds

### 10.2 Security
- HTTPS for all communication
- Encryption of sensitive data
- DDoS attack protection
- Regular security audits
- Compliance with GDPR and other local data protection regulations

### 10.3 Scalability
- Horizontal server scaling
- Load balancing
- Database partitioning by region
- CDN for static content distribution

### 10.4 App Store Requirements
- Complete submission process for both Google Play and App Store
- Compliance with all platform guidelines
- Assistance with app store listing creation
- Support for app review process

I'm looking for an experienced developer who can implement all these requirements and provide training on how to manage the application after development. I will handle the web administration panel separately, but need you to set up all necessary APIs and backend functionality. Please include your experience with similar projects, timeline, and confirmation that you can deliver everything within your quoted price.