T-Trendset 1.1 was designed to display reports from Google Analytics data. The document provides instructions on how to sign into Google Analytics, select a date range for visitor data, export the data as a CSV file, import the CSV into Excel, and copy the visitor numbers into T-Trendset 1.1 to generate a summary report visualizing the Google Analytics data. Key steps include selecting a date range in Google Analytics, exporting the visitor data, importing the data into Excel, and pasting it onto the data sheet in T-Trendset 1.1 to automatically update the summary report.