You can load your game info by selecting the "Game folder" icon, it will enable all the other actions.
Then you can export your list by selecting the "Export" icon.
You can edit the game title, firmware version and game folder name by either double clicking or pressing F2.
You can edit game resolution and audio format just by clicking the desired options.
To save the changes, select the "Save changes" icon.
Press "Check for update" to list the updates available. You can either select one by one or click on "Select all/none". Clicking again will clear the selections.
Finally, you can press the "Download" icon to get the updates.