When you are currently on a mobile device and receive text messages, the text app usually has a number for the number of text messages that has not been read. For the Acumatica mobile app, I think there should be a number to notify you for the number of items that needs your attention. This number would be for approvals. That way an individual does not receive an email for each item that needs approved or a notification banner on their phone. Notifications such as emails and banners can be annoying in large quantities.