Great to hear that.
We are adding some additional tutorials to educate users on how to use roll and bombs earlier on. Team was too busy working on the actual build and didn't expects that most users can't be able to remembers all buttons from the first scene.
If you need to access the button layouts, you can see that from the "PAUSE" menu. There's actually a switch weapon button as well since you've mentioned about that in your video.
More content will come soon.