What is the Free New Escape Game 81 Mule Escape game, how does it work?

According to the introduction of Best Escape Games Studio, Free New Escape Game 81 Mule Escape is a Puzzle game on the Android platform. There is currently a na version released on Mar 17, 2020, you can see the details below.

A mule was living in a village. But one day, the ungulate got unexpectedly stuck in a house. Your duty is to rescue the mule. It will help you to find the hidden clues in the form of colours and numbers and to find the items where the mule is to save the animal. Find them all and solve all puzzles to free the mule. Good luck and have fun!