Open a QQ group in mobile QQ.
After entering the QQ group, click Sanheng in the upper right corner.
In the group application, click More.
Then in the official group application, click the > icon at the back.
It shows all the official applications. Slide down to see the growth guardian. Click Open.
Then officially enter the growth guardian platform, and choose an identity to enter.
To sum up, open the QQ group, click the third one in the upper right corner of the group, click more in the group application, click the > icon behind the official application, slide down, and click the growth guardian to enter the growth guardian platform.