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It allows you to set a time for notification of when you want to be reminded to visit the website in the notification bar.
Clicking the notification opens the app which takes you to the website.
Once registered or logged in there is no need to log in again, unless you uninstall and reinstall the app, or clear the app cache.
Hope you find it helpful, any issues please let me know, as this is the first version.
Please sign up at http://freepostcodelottery.com/ or through the app.