I have found the 5 Best & Simple ways to solve “Your Device isn’t Compatible with this version”.

1. Update Google Play Store
This is the first step you should follow to fix the error. Check that if you have the latest version of Play Store. If not Update it and then try to install the App.
2. Clear Play Store Cache
Clearing cache from Play Store may be the right solution for you if above method didn’t work.
3. Update Google Play Services
Google Play services are the backbone of Play Store and Google Play Games. Both of these depends on Google Play Services.
4. Uninstall Google Play Store Updates
Now you are thinking that we have advised you to update Google Play Store then why uninstalling its update.
5. Download from Third-Party Source
Like the different sites like APKMIRROR, etc.