这句请帮助翻译成英语，谢谢。如下：除了比老QQ的外观，质量更好外又增加许多功能。

With the appearance and stabilization improved, many a fuction has been added in the software named QQ.

Except the old QQ's appearance, quarlity is better and many extra functions.

In addition to better appearance and quality, the updated version of QQ also adds many new functions.

楼上的用except是肯定不对的。

Besides the old QQ's appearance,what's more is that the quality of it is better and the function has been aided.