Useful apps for everyone

Lịch Việt (Vạn Niên)

Lunar–solar calendar without annoying ads

Lịch Việt (Vạn Niên) is an accurate lunar–solar calendar app: look up auspicious dates, convert between lunar and solar dates, and get event reminders — a lightweight experience free of annoying ads.

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T-Scanner

Scan documents with OCR right on your phone

T-Scanner turns your phone into a pocket document scanner: capture documents, receipts, and papers, then extract text (Vietnamese/English OCR) and export PDFs — everything processed on-device, never uploaded to any server.

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T-Emulator

NES, SNES, GBA emulator for classic games — offline play

T-Emulator is an emulator for classic Nintendo game systems on Android: NES, SNES, Game Boy, Game Boy Color, Game Boy Advance (GBA) and more. Pick a self-provided ROM from your device and play instantly with touch controls optimized per system, 10 save slots, fast-forward, Game Genie/Action Replay cheats — fully offline, no account required.

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Clock Chess

Chess clock for chess, xiangqi, go and gomoku

Clock Chess is a 2-player chess clock for board games: chess, xiangqi, go and gomoku. It supports 6 time controls (Sudden Death, Fischer, Bronstein, Hourglass, Byo-yomi and more), 14 built-in presets per game, custom presets, and accurate timing even with the screen locked — fully offline, no account required.

12 Cross Testers

Cross-testing community to pass Google Play's 20-tester / 14-day requirement

12 Cross Testers is a community platform that helps Android developers cross-test their apps to meet Google Play's 14-day closed testing requirement with 20 testers. Publish a testing campaign for your app, join testing for others, check in daily, earn Credit points, and track each tester's 14-day progress.