What is the Minesweeper: War and Peace - new and original game, how does it work?

According to the introduction of STALYAR, Minesweeper: War and Peace - new and original is a Puzzle game on the Android platform. There is currently a 1.0.2 version released on Jun 14, 2018, you can see the details below.

Play minesweeper at one of the modes: on the sea battlefield or on the flower field.
A golden angel will save you from pitiful mistake.
Gain achievements and try to open a secret chest.

What's new in version 1.0.2 Trophies update