If certain products are not supported on mobile or if you want them not to appear in app, you can go to Magento Admin and hide them easily.
Step 1: Log in to Magento Admin and go to Catalog > Products.
Step 2: Find the product you want to hide on app.
Step 3: In the product page, enable the setting Hide on JMango360 App.
Step 4: Click Save to finish.