Uncover the ways ritsuro (the company) bills you and cancel your thai language "Koh-kai" subscription.
Note before cancelling:
1. This application continues to display repeat to thai character of 42.
2. This application is display a "Koh-Kai" character table.
3. "Koh-Kai" is language character table of Thailand.
4. Thai language signboard is seen, in town and airport.
5. help to read of thai language signboard with travel.