Once you have each bulb synced to your phone on the app, Please click Smarts on My device lists, then click the "+" on the top right corner, select "Same Model", add the same product modes into one scene.
#6 After configuring using Govee app, will they keep setting when turned on/off by light switch?
Yes, it keeps that same light that was last placed.
Once you have each bulb synced to your phone on the app, Please click Smarts on My device lists, then click the "+" on the top right corner, select "Same Model", add the same product modes into one scene.