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Quick how to:
First stage: Open the app and choose csv file from your sd-card or open a csv file from your file manager.
Second stage: Choose the csv file settings such as delimiter and encoding. If you don't know what these values are you can open up the csv file in any text editor and check what separates the values, this is called the delimiter. If you don't know in what encoding your csv file is stored, a good bet is to try UTF-8.
Third Stage: Scroll both horizontally and vertically in the table and highlight rows by clicking.