★ 'DokiDoki Postbox' is the best way of meeting your new friends. ★ You can talk 3 Million friends for Android,iPhone all over the world. ★ Don't worry foreign language. ★ DokiDoki Postbox has a translation system for free. ******************************************************** ★ 1st ranked in Korea Apple App store. ★ 2nd ranked in Japan Apple App store. ★ 3 Million Downloads. (2012.9.30) ******************************************************** ★ KEY FEATURES ★ 1. No sign-up is required. Do