What is the Escape Games: Mystery Universe game, how does it work?

According to the introduction of Odd1 Apps, Escape Games: Mystery Universe is a Puzzle game on the Android platform. There is currently a 1.0.3 version released on Jun 20, 2019, you can see the details below.

Escape Games: Mystery Universe is a point and click escape game. You are stepping into the universe of mystery in this escape game. Solve the mysteries as you travel in this escape game universe. We will make your journey easy in this universe with clues and hints. Enjoy your ride in mystery universe!

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.