The built in vocoder is not good for DStar, you need a USB dongle for DStar.
For the favourites list I use a script to push it to the App.
I have attached the list.
The built in list I believe is in /usr/local/dvs/tg_db and is called YSF_node_list.txt
So either edit that or copy the attached over the top, you will need to be super user.
Hope that helps