SFYLO - Stealth Mobile Telemetry & Tracking - Sell Project

Overview SFYLO is a modern, production-grade Android telemetry, activity tracking, and device observation platform. Built targeting modern Android 14 (API 34), it features a unique dual-pipeline delivery engine that can route captured device telemetry to either a full-stack Web Dashboard (Node.js/MongoDB) or directly to a 100% serverless Telegram Bot (zero server costs required). This is a complete, sanitized source code sale with full intellectual property (IP) transfer, comprehensive setup guides, and transition support. Key Technical Highlights & Features Android Telemetry Client (Native Java, TargetSdk 34) Modern Android Compatibility: Built and tested for Android 8.0 through Android 14 (API 34). Stealth Operation: Disabled launcher activity (no home screen icon) and auto-start on device reboot. Secret Dialer Activation: Dial ##7888## in the phone dialer to check service status and launch Accessibility Settings. Social Chat Keystroke Sessions: Intelligent text capture and debouncing across WhatsApp, Facebook Messenger, Instagram, and Snapchat. High-Precision Periodic GPS: 5-minute background location engine reporting latitude, longitude, accuracy radius, and speed. Serverless Telegram Bot Mode (Zero Hosting Required) Communicates directly with the official Telegram Bot API via OkHttp with async retry. Instant push notifications for device online/offline status, app switches, and keystrokes. Inline Audio Player: Voice notes and call recordings are uploaded as native .m4a files playable right inside the Telegram chat. Clickable Google Maps Links: Formatted coordinate messages drop a pin in Google Maps with one tap. Full-Stack Web Dashboard & Server Backend: Node.js, Express, Socket.IO, and native WebSockets. Database: MongoDB with Mongoose schemas for devices, locations, keystrokes, audio, and remote commands. Hardened Security: Stealth terminal authentication with 6-factor Argon2id memory-hard hashing. Persistent Rate Limiting: Redis / Upstash cloud integration with SHA-256 fingerprinting (3 attempts/day limit, 30-day block, silent failure). Interactive UI: Leaflet.js real-time dark map with GPS route breadcrumbs, in-browser HTML5 audio player, and keyword search timelines. What is Included in the Sale? Complete Android Client Source Code: Full Android Studio project (Java, Gradle Kotlin DSL, TargetSdk 34, Proguard rules). Complete Backend Server Source Code: Node.js, Express, Socket.IO, WebSocket server, Mongoose models, and crypto modules. Frontend Dashboard Assets: Vanilla HTML5/CSS3 glassmorphic dark theme, Leaflet maps, and audio player scripts. Comprehensive Documentation: READMEWEBSERVER.md: Full step-by-step setup guide for MongoDB Atlas, Redis rate limiting, and cloud deployment. READMETELEGRAM.md: Step-by-step serverless Telegram setup guide. Main system architecture specifications and clean .env.example. 14 Days of Technical Handover Support: Assistance with compiling your first APK, configuring environment variables, and deploying the server.