Mitul Chovatiya
Портфолио
ScanSafe – Secure Document Scanner & PDF Manager
ScanSafe – Secure Document Scanner & PDF Manager ScanSafe is a privacy-focused Android document scanner application built using Kotlin and Jetpack Compose. The app allows users to scan documents, convert them into PDFs, perform OCR text recognition, and securely manage files with biometric protection. Key features: • Integrated ML Kit Document Scanner for high-quality document scanning and automatic PDF generation • Implemented OCR text extraction using ML Kit Text Recognition • Developed a local PDF storage system using internal app storage for offline-first document management • Built a modern UI using Jetpack Compose with onboarding, dashboard, and file management screens • Implemented PDF preview, rename, delete, watermarking, and sharing functionality • Added biometric authentication using Android Biometric APIs to protect document access • Enabled note attachment and document organization features Project Status: Currently under active development. Core document scanning, PDF management, and OCR functionality are implemented, while advanced security and vault features are being expanded.
Volume Button Mapping Utility App
Developed a system utility Android application that remaps hardware volume buttons to perform device power actions. Key features: • Implemented AccessibilityService and Device Admin APIs • Created persistent Foreground Service for reliable background execution • Ensured compatibility with aggressive Android battery optimizations • Completed development and testing within a rapid 48-hour development sprint • Successfully passed 25+ manual test cases
Nocturne VPN – Fast, Secure & Private Proxy
Developed and launched a full-featured VPN application for Android using Kotlin and MVVM architecture. Key responsibilities: • Integrated OpenVPN protocol using Android VpnService for secure encrypted connections • Implemented server scoring and load balancing across 50+ global VPN servers • Built background tasks with WorkManager for automated server updates • Designed a real-time network speed dashboard and optimized UI performance • Implemented authentication (Google, Email) using Firebase Authentication • Integrated Google Play Billing subscriptions and AdMob monetization • Achieved 99.9% ANR-free sessions through performance optimization Live Play Store App: https://play.google.com/store/apps/details?id=com.nocturnevpn
