Chrome Extensions

F13 Tools Extension

F13 Tools
Super extension for Facebook
Smart Auto Reaction Extension

Smart Auto Reaction
Auto and smart react to friend posts.

Android Applications

Friend Ranking Extension

Semaphore & Morse Trainer
Application to help you learn semaphore and morse!
Smart Auto Reaction

Cryptogram Solving
Application to help you decode and create cryptogram.
Find Facebook ID

Mat Thu Online
Decryption game for Vietnam teenagers.