If you forgot a birthday cake or a candle, the happy birthday app is for you. For congratulations, you need to download a free simulator for happy birthday, set the age, light candles, sing with friends and your friend will be waiting for a surprise of confetti over the cake. With the Happy Birthday app, you can congratulate your loved one or friend on his birthday in a very original way. An original and attractive way to congratulate your family and friends. Happy Birthday Greetings contains promotional applications that may be of interest. Setting age Set colors (flame, smoke, background). Breath detection Festive music. Confetti Animation.