Can there be a more romantic gift forValentine’s Day than a serenade? Probably, not. Looking back at PUMA’s digital card presented back in 2010, Heineken has launched a Facebook app called ‘The Serenade,’ which allows the brand’s fans to create their own personalized song in one of 20 languages (the English songs goes with subs in Russian, Korean, Czech, Thai and others) and send it to their potential partners, inviting them on a date.