Hi @servetel.fw.crm,
Apps those load in the global navigation bar are not supported by Freshworks CRM for local app simulation, as mentioned in the Global Navigation Page > Notes #3
As per our best efforts, we have bought this to the attention of 
team. Unfortunately, we don’t have active updates on this from the CRM team. I would request you to send an email to crm-support@freshworks.com to know the latest updates on this aspect.
In order to simulate the app that will reside on Global Navigation Pane, the CRM team expects the developer to upload the app as a custom app in a test account, at the moment.
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