Sneak peek: What’s coming to Jitterbug’s “Service Store” | mobihealthnews – The “hidden” data network isn’t the only unique strategy Jitterbug is pursuing. In a world of application stores like the iPhone’s “AppStore,” BlackBerry’s “App World” or Google’s “Android Market,” Jitterbug is clearly taking a different tack by stressing the service behind the applications it plans to launch for its user group, which is primarily 55-years-old and older.