HappyBirthday-ExpoReactNative A simple android app built using Expo and React Native. Android apk can be found at /apk/SR-Birthday.apk Demo Android app Icon with name SR Birthday. Starting Page. Surprise Page with wishing board and firework at back. Futher options to proceed. First Option says a Poem for whoever that is for. Second Option says to blow up the candles, and further is more surprise. Third Option is a mini game, Slot machine.