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ICEBlock climbs to the top of the App Store charts after officials slam it
(www.engadget.com)
This is a most excellent place for technology news and articles.
While you're right to be skeptical, if they just wanted to collect data they would have an Android version. And their stated reason for not supporting it, is that push notifications on Android would require them to at store device-IDs, which they want to avoid for privacy reasons and being vulnerable to subpoenas.