I'm using Android with version 9. Does that help?
Someone had a similar problem before so try this "
Troubleshooting tips for Android:
Download Google Keyboard
Ensure you're allowing unknown sources
Have 5GB or more of storage space
Do not install on an SD card. Must be installed on your phone's main drive.
Uninstall all previous versions of Harem Hotel
To update your game on android, back up your save and delete the previous version"