The plan is to start with an Android app and a macOS app to solve for my personal use-case and add more platforms in the future. The primary motivation was the lack of good markdown apps that sync between Android and macOS. Bear notes is the closest, but they don't have any plans of creating an Android app.
This should be among your first steps: Reach out to the bloggers. Tell them about your app and if they are interested, they'll make your app reach out to several hundred or thousands of people.
The plan is to start with an Android app and a macOS app to solve for my personal use-case and add more platforms in the future. The primary motivation was the lack of good markdown apps that sync between Android and macOS. Bear notes is the closest, but they don't have any plans of creating an Android app.