Sorry to hear you are having some issues with this.
I would recommend opening Safari and using the "developer" menu to access the webview which is created by the Tealium SDK (as you are using the 'tagmanagement' option)
This will allow you to view the instance of utag.js which is loaded, and will allow you to see. all the events pass through, giving you the chance to place any breakpoints needed to evaluate extensions, tags and loadrules, as well as any network requests sent out to GA.
Alternatively you can load the mobile.html file the app loads, in a normal browser window, without the app.
You would need to send the event in the console manually, so a bit more work, but helpful if you dont have the app handy.
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