Relatieplanet.nl presents HARTJE app? love & APPiness! ?Do you have a crush on someone or do you just want to let the person know how special he or she is for you? Then Install the HARTJE app, choose a facebook friend or girlfriend and send a heart with a personal message Declare your love to someone special with the HARTJE App. How romantic is that?!Perhaps your friendlist on Facebook is already full of secret admirers?WARNING: success is not guaranteed! Your love does not need to be answered with love ...Feel the love!