Currently, Dreamfora is available on both Android and iOS!
Google Play Store:
https://play.google.com/store/apps/details?id=com.dreamfora.dreamfora&hl=en&gl=US
App Store:
https://apps.apple.com/app/id1561306096
Regarding other operating systems (e.g. Windows, Mac), they are also on our target development list.
Although it may take a while, we will do our best to make it available soon.