You can connect your iTunes account to Mobile Action while adding your keywords. Alternatively, you can find iTunes Connect button in the Settings page. 

Adding Keywords 

1) Click "Get all keywords from App Store" button.

That button will lead you to the Data Integration page

Settings

1) Click on Settings sign on the top right of the screen and select "Data Integration".

2) Click "iTunes Connect" button

  3) Enter Apple ID and Password and click "Integrate".

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