Privileged Health Partnerships is open now. The Developer Partnership is still closed.
On this page https://developer.samsung.com/health/platform/overview.html Samsung Privileged Health SDK you can apply for the Partner App Program. That looks like it is only for established companies that currently have Health apps. This new SDK is only for Wear OS Powered by Samsung Devices.
Below that it has
Note :
The existing Samsung Health SDK for Android will continue to be supported. Also, for existing Samsung Health SDK for Android partners, we will shortly provide a guide for the use of the New Health Platform.
Go to Samsung Health SDK for Android. Samsung Health SDK for Android | Samsung Developers Where it says
Note :
We are currently going through an update to better support our partners. For that reason, we will not be accepting any applications for the Partner Apps Program at this time.
But you can download the old Android Health SDK there but you can’t get a health developer key so you can’t run it on your device in Developer Mode like you could in 2019
You can write your own health code in Tizen Studio for Check out this site
https://forum.xda-developers.com/t/spo2-tpk.4170889/
but it would be useful if you are writing Native, .net or web app. I think there are examples on GitHub.
Ron
Samsung Developer Relations