Apps by Duoc Nguyen
Mobile apps published on the Apple App Store (Nguyen Duoc) and Google Play (Genius Software).Last updated September 23, 2026
GoTest - Driving License Prep
Practice Vietnam's official 600-question driving theory exam with updated 2026 content, mock tests, and explanations.150,000+ downloads🇻🇳 Vietnam
EngHacking - 4000 English Words
Master 4,000 English words through stories and memory techniques instead of rote memorization.100,000+ downloads🇻🇳 Vietnam
EngSmart - 1500 English Words
Learn 1,500 common English words with smart review, quizzes, and a structured study path.250,000+ downloads🇻🇳 Vietnam
Brain IQ: Math Puzzle & Teaser
Math riddles, logic puzzles, and IQ challenges with answers for daily brain training.15,000+ downloads🌍 Global
QR Code Scanner
Fast QR and barcode scanner with scan history, flashlight support, and QR code generation.3,000+ downloads🌍 Global
Textbooks Online Grades 1-12
Digital textbooks for grades 1-12 aligned with Vietnam's national curriculum.5,000+ downloads🇻🇳 Vietnam
Car Manuals: Owner Guide
Find and read car owner's manuals by make, model, and year without hunting across random websites.New🌍 Global
Fishing Knot Tying
Learn essential fishing knots with clear animated guides for hooks, lures, leaders, and reel setup.New🌍 Global
Knots 3D: Animated Guide
Learn practical knots for fishing, camping, and climbing with clear step-by-step 3D animations.New🌍 Global
HCM Traffic Cameras Live
Watch live traffic cameras on roads and intersections across Ho Chi Minh City before you travel.New🇻🇳 Vietnam
Traffic Fine Checker
Look up Vietnam traffic fines for cars and motorbikes by license plate, with map locations and handling guidance.1,000+ downloadsNew🇻🇳 Vietnam
TickSnap: Pet Tick Finder
Identify ticks and spot them more easily on pets, people, and outdoor gear.New🌍 Global
PastePic: Clipboard to Photos
Copy an image on your Mac, then paste and save it to Photos on iPhone or iPad.New🌍 Global
Love Test by Name
Enter two names and get a playful love compatibility score to share with friends.30,000+ downloads🇻🇳 Vietnam