DingDing is an app that let you warn your couple you need him/her!With DingDing you can sincronize your smartphone with another smartphone, and only with one click, you can send a message to your couple in a notification style, that warn him/her you need something! His/Her smartphone will vibrate and make sound (if the configuration allow this).DingDing is a simple app that pretends to make a quickly communication with your special person.How it works?Simply, ask your partner about the his/her app's API-KEY and make a "relationship" with it. THAT'S ALL!! you will be directly connected and you will send instant notifications to him/her. 更新内容： 提升体验，修复部分问题。