B2C Product Catalog & Solutions
An integrated ecosystem of intelligent consumer mobile apps, real-time WebSocket platforms, and in-house proprietary AI Computer Vision engines.
XoSo AI Live Scanner
Native iOS & Android Mobile Application
Intelligent lottery ticket scanning app powered by 60FPS AI Camera OCR. Automatically reconciles prize results across all regional draws and Vietlott, computes personal income tax deductions, and provides deep statistical analytics and real-time live ball-draw feeds.
- • Expo SDK 54 & Expo Router
- • React Native + Tamagui UI
- • SignalR Live WebSockets
- • MongoDB Atlas Cloud TTL
Loto Admin CMS Platform
TailAdmin ReactJS Dashboard Suite
Centralized administrative command suite for TerraSys Studio: Balance management for Win Points, IAP packages, scanned ticket audit logs, real-time live chat moderation, and account blacklist controls.
- • Vite + ReactJS 19 SPA
- • TailwindCSS Design Tokens
- • OpenIddict OIDC Security
- • SignalR Auto-Fill Engine
Live Chat Microservice
Standalone SignalR Hub (.NET 8)
Real-time message broadcasting service powering interactive live chat rooms during ball-draw sessions. Includes built-in anti-profanity filters, sliding-window rate limiting, and VIP winning announcement particle effects.
Hangfire Auto-Crawler Worker
Background Automation Engine (.NET 8)
Background automated crawling engine capturing live ball-by-ball lottery draws across 3 national regions on a 3-second cycle, triggering instant push notifications to ticket holders upon matching winning numbers.
Steampunk Bridge: Kinematic Overload
Mobile game by Tran Quoc Bao (TerraSys studio)
Build steampunk bridges, then time the robots that cross. 12 chapters and more than 400 puzzles across Build and Arrange modes, daily challenges and a Level Editor. No account needed.