Apk states it isn't compatible with fold 6, there's probably an issue in the manifest.
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copy/paste message, hope this works for you, good luck.
1) Possible issue with Google's Android operating system.
To fix the “your device is not compatible with this version” error message, try clearing the Google Play Store cache, and then data. Next, restart the Google Play Store and try installing the app again. (source: People also ask "How do I fix the app isn't compatible with my phone?" on Google search )
2) Check for updates in Settings > System > Software Update to ensure your device has the latest software.
(source: People also ask on Google search )
It's unfortunate, but this maybe a situation that cannot be resolved. The version of Renpy that I use to code is likely not caught up with the life cycle of apps and computer systems. There are some things you can still try:
1) Possible issue with Google's Android operating system.
To fix the “your device is not compatible with this version” error message, try clearing the Google Play Store cache, and then data. Next, restart the Google Play Store and try installing the app again.
(source: People also ask "How do I fix the app isn't compatible with my phone?" on Google search )
2) Check for updates in Settings > System > Software Update to ensure your device has the latest software.
(source: People also ask on Google search )
Please let us know if either of these methods work. APK files are not my specialty at all; and I've no skills in troubleshooting anything that deals with phones.