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Mobile Application Case Studies

Deep dive into technical architectures, live Play Store apps, peer-to-peer protocols, and real-time platforms engineered by Md. Sayedul Marsalin.

DADU E-commerce - Screenshot 1 - Mobile App Development by Md. Sayedul Marsalin
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Play Store App
DADU E-commerce

Modern Cross-Platform Retail Mobile App with Live Cart Sync & Dual Payment Gateways

Search Speed: +50%
FlutterFirebasebKash & StripeGetX
Case Study
DADU Admin Suite - Screenshot 1 - Mobile App Development by Md. Sayedul Marsalin
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Control Panel
DADU Admin Suite

Enterprise Control Panel for E-Commerce SKU Inventory & Real-Time Analytics

Active SKUs: 5,000+
Flutter WebFirebaseCloud FunctionsSyncfusion Charts
Case Study
Meal Assistant AI - Screenshot 1 - Mobile App Development by Md. Sayedul Marsalin
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Play Store App
Meal Assistant AI

Offline-First Mess Management, Daily Meal Rate Engine & Shared Expense Tracker

Offline First: 100%
FlutterHive DBFirebaseBLoC
Case Study
EasyShare P2P - Screenshot 1 - Mobile App Development by Md. Sayedul Marsalin
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Utility Tool
EasyShare P2P

High-Speed Wi-Fi Direct Peer-to-Peer Encrypted File Transfer Tool

Max Speed: 40 MB/s
FlutterPlatform ChannelsWi-Fi DirectCrypto
Case Study
AquaWatch System - Screenshot 1 - Mobile App Development by Md. Sayedul Marsalin
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Water Quality Tech
AquaWatch System

Environmental GIS Geolocation & Water Quality Sensor Monitoring Platform

Stations: 17+ Active
FlutterGIS Map APIFirebaseGeolocation
Case Study