I've got an oneplus three with the latest updates and Android 6.0.1
If I created a clip with more than 3 shots I experience a small freeze before the next shot starts. The transition works if I try to start this individual shot in the editor, but after 2 clips the freeze also happen in the editor itself.
Can you fix this?
Furthermore I try to sync my project to creative cloud, and that one fails after 30 seconds (staying on 0% and then a done status.)
Before any troubleshooting, I would advise you to connect to a faster network; maybe wifi to sync your work that you may need.
Once your work is saved, I would request you to uninstall and reinstall the application to check if the freezing is avoided.
Let me know if that works.