Well I finally got an answer when I reported this question on 'what's up at sparkpeople'.
Apparently the new app is more stable ( I have been having issues with it always wanting me to log in), You can spin the log-in wheel in the app, read articles/get Sparkpoints for reading articles and view SparkPoints/Fitness Minutes Leaderboards.
Also the new one will get updates while the old one will not anymore. As it is easier to use an app then going through web browser( for convenience sake) I will update to new one.
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