What is the Idle Clash 3D game, how does it work?

According to the introduction of Andrewi Games, Idle Clash 3D is a Simulation game on the Android platform. There is currently a 0.94 version released on Mar 25, 2020, you can see the details below.

Make your warriors the greatest in the world!
Beat all enemies and all Bosses in Arena!
Build the Arena to make it larger and more majestic!

Features:
- Win the battles on the Arena! Defeat the enemies!
- Upgrade your warriors.
- Make your Arena larger, open new buildings.
- Easy to play & one finger control.
- Have fun!