Yes You Can!
Step1:
Uninstall the Ecomartists Shopify app from Store #1
Step2:
Login to Your Ecomartists Account and check the "Shops page" that your shopify store is no longer showing or connected.
Step3:
Enter Your new shopify (store#2) subdomain on the "Shops page" of the app.
Thats it! New store is connected on the same account!
IMPORTANT!
-If You have a Premium account, I will be canceled when you uninstall Shopify. You will need to resubscribe again after connecting your need shopify store.
-ALL Products will need to be republished on store#2. All Previous products will still Show inside your ea account, but any sales of these products will not show in app, as the app is not installed on shopify store1.
*MUST REPUBLISH ALL PRODUCTS ON YOUR NEW STORE.
*Please, Archive all previous products.