楼上的看错英文了。
The Symbian port in Qt 4.6 provides us with a brand new framework for QQ client development on Nokia Mobiles. Qt not only bring advanced UI experiences and rich features, but also reduces our development efforts and provide the possibility for our cross-platform vision.
Ke Ding, General Manager of Tencent Wireless Research dept.
Tencent QQ is the most popular instant messaging app in China
这段话是由腾讯无线的部门经理丁柯说,QT给QQ带来了一个更好的开发框架。
而不是QT为QQ做了什么实质的内容。