Happy Coding Groups

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Apps: 12

Total installs: 36K

Latest release: Nov 4, 2026

How this developer operates

Carrier title TOEIC Exam: Mock Tests & Prep holds 97% of the developer's installs — a one-app developer
Hit rate 0% of launches reach 100k installs (0 of 6 at least 30 days old)
Release rhythm a new app every ~131 days on average
Maintenance 11 of 12 apps updated in the last 90 days · last update 6 days ago · updates every ~67 days

Same company, other accounts · Le Hong Nga

Developer names that share this developer's legal name, contact e-mail or website in the store.

Doan Dat 12 · 438K

All apps

App	Style	Rating	Installs	Released
TOEIC Exam: Mock Tests & Prep	Education	—	10,000+	—
Truyện Cười - online - offline	Entertainment	—	500+	Apr 4, 2023
Learn 5000 English Words	Education	—	50+	Jul 8, 2026
Learn 600 English Words	Education	—	50+	Jun 8, 2026
eVocab: Vocabulary Flashcards	Education	—	10+	Jun 8, 2026
ScanApp: Document & QR Scanner	Tools	—	10+	Jul 12, 2026
Learn 3000 English Words	Education	—	1+	Oct 8, 2026
Grammar Buddy: Daily Practice NEW	Education	—	1+	Nov 1, 2026
Remember Days: Lunar Calendar NEW	Lifestyle	—	0+	Oct 30, 2026
Vidora: Video Browser & Player NEW	Video Players & Editors	—	0+	Oct 30, 2026
eSpeaking: English Practice NEW	Education	—	0+	Nov 1, 2026
Daily Quotes: Motivation NEW	Lifestyle	—	0+	Nov 4, 2026