thai language "Koh-kai"

This application is display a "Koh-Kai" character table. (Audio is not included)
"Koh-Kai" is language character table of Thailand.
It is like alphabet character table.
I goes travel to Thailand.
Thai language signboard is seen, in town and airport.
I want to read a Thai character typeface.
Thai language character is a great complexity.
The combination of "consonant" + "vowel" + "consonant".
"koh-kai" a consonant of 42.
memorize a "Koh-kai".
help to read of thai language signboard with travel.
This application continues to display repeat to thai character of 42.
Anytime and anywhere, please read "Koh-kai".
Options:
44 characters, including old letters.
Adjust speed.
Night mode.
See you at Khaosan Road in Thailand!
Thanks!
Arigato gozaimasu!