Trouble importing KMZ data

I would give this app 5 stars, but recently it has been giving me lots of trouble when trying to import KMZ files. At first it crashed the app to the point where I had to delete and reinstall (which also wiped out all of my saved geodata, by the way), and now after reinstalling the app simply will not load imported KMZs. I am not sure what is going on but I dont like it.

Hiking B about GPS Kit - Offline GPS Tracker, v7.0.1