As phone screen space is limited the four round buttons should not be permanently displayed in active navigation mode. They could be activated by touching the display anywhere in the main nav view. If this is done they could then be made bigger
Also the 'Start new tracklog' text is not required.
Thank you for your input, I have added your suggestions to the list of the developers!
I will now be closing the thread to prevent this thread from being used by other users to mention other suggestions not related to this one.