A book of Thai sentences can be used for your trip and your Thai studies.

This app uses GOOGLE speech synthesis.
You can check the accent and pronunciation of the Thai language.

This app is useful for traveling and storing 1000 words with sound.
Just push or point your fingers to hear the sounds.

Please install GOOGLE text-to-speech. first on your smartphone.
How to configure it since setting your smartphone → text to speech.
You can have words and phrases in your favorites list.
This helps you memorize.

It's very easy to use.
This app is also good for the Thai language test / test.