Google App Usage Trend Analysis

I have a full export of my Google app usage history and I’d like to see clear trends hidden inside it. Your task is to take the raw CSV files, clean and normalise the Gmail data, to determine whether the app was accessed, or does it represent background sync activity... (Budget: $250 - $750 USD, Jobs: Data Analysis, Data Processing, Data Visualization, Excel, Pandas, Python, Statistics, Time Series Analysis)