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You now have an app that launches great from within the HSPC sandbox or EHR system. But what happens when the your app is loaded outside of these authorization spaces? What does the user see? Usually it's either a garbage page or your app with no loaded data. We suggest to take advantage of these instances by advertising your app's capabilities by creating a marketing page for your index.html page. Here's an example of the index.html rendering of the HSPC Patient Data Manager app (https://patient-data-manager.hspconsortium.org).
We recommend including at least 3 different features:
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