Did you have an older version installed?
Okay I cleared 4.5 gig downloaded the game via the link here. After staging there's 3.1 gigs left. Still won't install. I'm using an Android 9 OS not sure what arm-64 is . And I have definitely allowed the system to install their party apps. I tried the default unpacker and installer that came with the packet. And I used fx explorer which I DL'd cause another game needed it too stall. Still says "app not installed" so I will have to give up on this one unlessthere are any insights?
Ah thanks! Do you perhaps Google Play Protect installed? This application can cause problems with sideloaded APKs. To disable:
Open "Play Store" > Menu button > "Play Protect" > Disable "Scan device for security threats".
I you haven't got that application installed or it still doesn't work, could you perhaps email me at perverteergames@gmail.com? I might be able to send you an APK specifically for arm64.