Have a look at @mariannewest for the daily prompt. You are posting in her community. Next to that I believe she mentions other ways to find a prompt.
If you search the internet you will find them for sure.
Perhaps you can use a VPN to download the app Miraquill?

If you have android and a Google account it might be in your library underneath not installed. If that's the case you can install it no matter if they say it's not available in your country.