Hi @egongsue,
below are some useful techniques to navigate your scene during the creation (build-) mode.
Note that we’re currently working on improvements in navigation for touch (phone, tablet), and hope to release them soon 
. They will offer movement features similar to what you can do on CoSpaces in your browser.
- You can use shortcut V to focus on an item.
- You can hold the spacebar while dragging over the scene to drag the camera position over the ground
- You can hold the spacebar while scrolling up / down to zoom on a specific spot your mouse is pointing at