What is the Puzzle Game game, how does it work?

According to the introduction of Mahjong solitaire mahjongg, Puzzle Game is a Strategy game on the Android platform. There is currently a 67.0 version released on Jan 11, 2020, you can see the details below.

This is the most interesting block game you have ever held in your hands!
It gets all the charm of the puzzle game: simple, fun, attractive and suitable to everybody.
It is also the funniest way to train your brain and keep your mind sharp!

>How to play?
Place the pieces into board. Once you fill in a vertical or horizontal line, it will disappear, freeing up space for new pieces.
Game will be over if there are no space for any the given blocks below the board.

>Highlights:
A ranking system has also been added to challenge your friends, colleagues and circles.
You can enjoy this brain game for any time, anywhere and a short time.

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.