Getting gems is simple just break the dirt until you get 50 gems once you get 50 gems tap the gems icon and you will be taken to the store tap locks and stuff and tap small lock
Protecting Your World
After you get a small lock place it above the white door and put dirt around it and its secured now only you can come in
Getting resources just means collecting and selling repeatedly or obtain 2,000 gems and getting a world lock
What to do?
Congrats on getting your first world lock, now what are you gonna do? LOCK YOUR WORLD! It's really important to lock your world