2023-03-09 00:00:00 Happy Birthday Cards App lets you send unique and beautiful virtual birthday cards to friends and loved ones. Just choose from the vast selection of birthday ecards in the app, and send via email, Whatsapp, Viber or social network (you've all seen those birthday cards for Facebook, right?). Customise your birthday cards with your own messages, or if you're not feeling too creative just send birthday cards with quotes.