知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 I like anything, Besides! The point that you cannot improve or personalize the bubbles and your entire theme inside the application alone. I want there was a method to have themes produced for that app, which could be installed and also have tailor made themes designed. Take http://whatsapp-link.net/