Since our last update to Open Xchange 7.10 you can choose from a wide variety of quick launch icons.
The app launcher is located on top of the web interface.
What can be adapted?
You can both, choose the icons you want to see in the launcher app and hide them.
Also, you can change the order of the icons, plus you can determine which page you want to see after login (e.g. drive or mail)
How can I personalize the app launcher?
Click on the avatar symbol on the very right (not shown in the screenshot) and choose "settings".
on the left choose "Basic settings"
now you can modify the app launcher settings in the middle.