Hi, I've been using Pleco since around July/August on my iPhone and had paid for the flashcards in-app, lost my phone recently and have now switched to Android. I need my registration ID, have looked everywhere in my Apple transactions to find a receipt but nothing at all (perhaps cos i bought it in the App?). How do i go about recovering my ID, (have emailed the support@pleco.com twice with no response), thanks.