Split APKs Installer Tutorial
Download and install the (SAI) Split APKs Installer app: https://play.google.com/store/apps/details?id=com.aefyr.sai
Open the (SAI) Split APKs Installer app and tap the blue "Install APKs" button.
Tap the blue "Insternall file picker" button.
Go to the download directory and select the hpma.apks file that you downloaded.
Tap in the file, and tap the "Select" button.
Tap the "Install" button.
Wait the installation.
Now install the game.