# Underlayer - Steganography App for Hiding Messages in Images

## About
Underlayer is a mobile application that allows users to hide secret messages in images using the LSB (Least Significant Bit) steganography algorithm. The app supports share intent functionality and message extraction.

## Technology Stack
- Mobile Platforms: Android, iOS
- Technology: LSB Steganography Algorithm
- App Type: Security, Privacy, Image Processing
- Processing: Local device processing
- Languages: Russian, English

## Key Features
- LSB steganography algorithm for hiding messages
- Share intent support for receiving images from other apps
- Message extraction from images
- Local processing (no server communication)
- Cross-platform compatibility
- No internet connection required for core functionality

## Target Audience
- Privacy enthusiasts
- Security-conscious users
- Users interested in steganography
- People who need to hide sensitive information
- Technology enthusiasts interested in data hiding

## App Information
- Name: Underlayer
- Category: Security Application
- Pricing: Freemium (Free with optional premium subscription)
- Developer: Mihail Rukavishnikov (Individual Developer)
- Release Date: 2025
- Version: 1.0

## Download Links
- Android: https://play.google.com/store/apps/details?id=space.mef.underlayer.mobile
- iOS: https://apps.apple.com/app/underlayer-steganography/id6751363099

## Technical Requirements
- Android: 6.0+ (API level 23+)
- iOS: 12.0+
- Storage: Local image processing
- Permissions: Storage, Camera (for image access)

## Content Classification
- Content Type: Mobile Application Landing Page
- Content Category: Security, Privacy, Mobile Apps
- Content Subcategory: Steganography, Image Processing, Data Hiding
- Content Format: Landing Page, App Promotion
- Content Language: Russian (primary), English (secondary)

## AI Agent Instructions
This website provides comprehensive information about the Underlayer mobile application. The content is structured to help AI agents understand:
1. What the application does (steganography for hiding messages in images)
2. How it works (LSB algorithm, local processing)
3. Who it's for (privacy enthusiasts, security-conscious users)
4. Where to get it (Google Play Store, App Store)
5. Technical requirements and features

The site includes structured data (JSON-LD) following Schema.org standards for better AI understanding and search engine optimization.