Thank you for the report!
Most crashes happen due to the phone running out of memory, which we're constantly optimising as Google Maps consumes quite a lot!
Would it be fair to say that the game crashes primarily on "Earth View" or has it happened when you've just launched the app and not scrolled the map around?
Samsung Galaxy J3 seems to have around 1.5 GB of Memory, while in the most dense areas after 20-30+ minutes of playing the game has been known to reach approx. 1 GB.
If you have other apps open this may very well contribute to the crash!
Once again, we are doing our best to find a more permanent solution to the problem, but until then I'd recommend closing any unwanted background apps while playing.