Thanks for the responses. So the "central respository" of all of my data (all games and summary statistics) is either on a tablet device or on-line (or both)?

Is the basic idea here to export all data (games, stats, etc.) from the mobile device to a computer? If so, does this entail a download to a hard drive or an upload to the cloud and then user access via internet? Or, do most users simply keep all data on a mobile device? I tried to score games this ...