How to get apk data?

Question

Android

Hello, There are apk games of the word genre. It needs to form words from letters.
I need to find out where the file with the words (correct answers) is located, how and with what to read it.
I open the file through the archiver, there are incomprehensible files with unknown extensions.
Apk link https://apkpure.com/word-go-cross-word-puzzle-game...
The game was created on unity.